2017–18 V.Premier League Women's

The Volleyball 2017–18 V.Premier League Women's will be the 24th tournament of the V.Premier League which will be held from October 21, 2017 – March 4, 2018.[1]

2017–18 V.Premier League Women's
League	V.Premier League
Duration	October 21, 2017 – March 17, 2018
Number of teams	8

Teams

Personnel and sponsoring

V.Premier League Women's personnel and sponsoring
Team	Head Coach	Team Captain	Colors	Main Sponsor
Ageo Medics	Toshiaki Yoshida	Yuko Maruyama		Ageo Medical Group
Denso Airybees	Gen Kawakita	Ishida Mizuho		Denso
JT Marvelous	Tomoko Yoshihhara	Mai Okumura		Japan Tobacco Ltd.
Hisamitsu Springs	Shingo Sakai	Erika Sakae		Hisamitsu Pharmaceutical
Hitachi Rivale	Hiroyuki Kai	Miya Sato		Hitachi Automotive Systems
NEC Red Rockets	Akinori Yamada	Mizuki Yanagita		NEC
Toray Arrows	Koichiro Kanno	Kanami Tashiro		Toray Industries
Toyota Auto Body Queenseis	Asako Tajimi	Saori Takahashi		Toyota Auto Body

Season standing procedure

1. Match points
2. Number of matches won
3. Sets ratio
4. Points ratio
5. Result of the last match between the tied teams

Match won 3–0 or 3–1: 3 match points for the winner, 0 match points for the loser
Match won 3–2: 2 match points for the winner, 1 match point for the loser

League table

Standings

Pos	Team	Pld	W	L	Pts	SW	SL	SR	SPW	SPL	SPR	Qualification
1	Hisamitsu Springs	21	21	0	61	63	11	5.727	0	0	—	Final 6
2	JT Marvelous	21	13	8	40	50	34	1.471	0	0	—
3	Toyota Auto Body Queenseis	21	11	10	32	41	40	1.025	0	0	—
4	Denso Airybees	21	11	10	32	42	41	1.024	0	0	—
5	NEC Red Rockets	21	8	13	26	36	45	0.800	0	0	—
6	Toray Arrows	21	8	13	24	33	47	0.702	0	0	—
7	Ageo Medics	21	7	14	22	32	48	0.667	0	0	—
8	Hitachi Rivale	20	5	15	15	25	56	0.446	0	0	—

Source: vleague.or.jp

Result table

1st leg

Home \ Away	HIS	TAB	JT	AGE	DEN	TOR	NEC	HIT
Hisamitsu Springs		3–0	3–2	3–1	3–1	3–0	3–0	3–0
Toyota Auto Body Queenseis	0–3		0–3	1–3	3–1	3–0	3–0	3–0
JT Marvelous	2–3	3–0		2–3	3–2	3–1	1–3	3–2
Ageo Medics	1–3	3–1	3–2		3–1	1–3	3–0	0–3
Denso Airybees	1–3	1–3	2–3	1–3		3–1	3–2	3–1
Toray Arrows	0–3	0–3	1–3	3–1	1–3		3–0	3–2
NEC Red Rockets	0–3	0–3	3–1	3–0	2–3	0–3		1–3
Hitachi Rivale	0–3	0–3	2–3	0–3	1–3	2–3	3–1

Source:
Legend: Blue = home team win; Red = away team win.

2nd leg

Home \ Away	HIS	TAB	JT	AGE	DEN	TOR	NEC	HIT
Hisamitsu Springs		3–0	3–1	3–1	3–1	3–1	3–0	3–1
Toyota Auto Body Queenseis	0–3		0–3	3–2	0–3	2–3	3–2	2–3
JT Marvelous	1–3	3–0		3–0	3–0	3–1	3–1	3–0
Ageo Medics	1–3	2–3	0–3		1–3	3–0	0–3	3–0
Denso Airybees	1–3	3–0	0–3	3–1		3–1	3–1	2–3
Toray Arrows	0–3	3–2	1–3	0–3	3–1		0–3	3–1
NEC Red Rockets	0–3	2–3	1–3	3–0	1–3	3–0		3–1
Hitachi Rivale	1–3	3–2	0–3	0–3	3–2	1–3	1–3

Source:
Legend: Blue = home team win; Red = away team win.

3rd leg

Home \ Away	HIS	TAB	JT	AGE	DEN	TOR	NEC	HIT
Hisamitsu Springs		3–2	3–0	3–0	3–0	3–0	3–0	3–0
Toyota Auto Body Queenseis	2–3		1–3	3–2	3–0	3–2	3–1	3–0
JT Marvelous	0–3	3–1		3–2	1–3	3–0	2–3	2–3
Ageo Medics	0–3	2–3	2–3		0–3	1–3	3–2	3–0
Denso Airybees	0–3	0–3	3–1	3–0		3–2	3–2	3–0
Toray Arrows	0–3	2–3	0–3	3–1	2–3		0–3	1–3
NEC Red Rockets	0–3	1–3	3–2	2–3	2–3	3–0		3–2
Hitachi Rivale	0–3	0–3	3–2	0–3	0–3	3–1	2–3

Source:
Legend: Blue = home team win; Red = away team win.

Results

Matchday 1

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
21 Oct	13:05	NEC Red Rockets	0–3	Hisamitsu Springs	14–25	19–25	9–25			42–75
21 Oct	15:15	Denso Airybees	1–3	Ageo Medics	22–25	25–23	21–25	22–25		90–98
22 Oct	13:00	Hitachi Rivale	2–3	JT Marvelous	25–23	25–15	26–28	16–25	14–16	106–107
22 Oct	16:50	Body Queenseis	3–0	Toray Arrows	25–19	25–13	25–22			75–54

Matchday 2

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
28 Oct	13:00	NEC Red Rockets	3–0	Ageo Medics	25–16	25–17	25–20			75–53
28 Oct	13:00	Hisamitsu Springs	3–2	JT Marvelous	23–25	23–25	28–26	25–13	15–13	114–102
28 Oct	14:50	Toray Arrows	1–3	Denso Airybees	25–20	24–26	19–25	23–25		91–96
28 Oct	15:05	Hitachi Rivale	0–3	Body Queenseis	15–25	25–27	26–28			66–80

Matchday 3

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
29 Oct	13:00	Body Queenseis	1–3	Ageo Medics	14–25	22–25	25–21	24–26		85–97
29 Oct	13:00	Hisamitsu Springs	3–1	Denso Airybees	21–25	25–22	25–20	25–19		96–86
29 Oct	15:30	JT Marvelous	3–1	Toray Arrows	25–20	17–25	25–16	25–23		92–84
29 Oct	15:45	Hitachi Rivale	3–1	NEC Red Rockets	25–23	18–25	25–19	25–23		93–90

Matchday 4

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
4 Nov	13:00	NEC Red Rockets	3–1	JT Marvelous	23–25	25–20	25–19	25–16		98–80
4 Nov	13:00	Hitachi Rivale	0–3	Ageo Medics	20–25	18–25	23–25			61–75
4 Nov	15:00	Toray Arrows	0–3	Hisamitsu Springs	16–25	22–25	16–25			54–75
4 Nov	15:42	Denso Airybees	1–3	Body Queenseis	25–19	19–25	21–25	22–25		87–94

Matchday 5

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
5 Nov	13:00	NEC Red Rockets	0–3	Body Queenseis	21–25	23–25	22–25			66–75
5 Nov	13:00	Hisamitsu Springs	3–0	Hitachi Rivale	25–18	25–15	25–16			75–49
5 Nov	15:00	Toray Arrows	3–1	Ageo Medics	19–25	25–23	25–18	25–10		94–76
5 Nov	15:20	Denso Airybees	2–3	JT Marvelous	25–16	25–11	20–25	23–25	11–15	104–92

Matchday 6

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
11 Nov	13:00	NEC Red Rockets	0–3	Toray Arrows	21–25	13–25	18–25			52–75
11 Nov	13:00	Ageo Medics	1–3	Hisamitsu Springs	25–20	25–27	18–25	18–25		86–97
11 Nov	15:00	Denso Airybees	3–1	Hitachi Rivale	25–11	25–21	22–25	25–18		97–75
11 Nov	15:50	Body Queenseis	0–3	JT Marvelous	19–25	21–25	15–25			55–75

Matchday 7

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
12 Nov	13:00	Hitachi Rivale	2–3	Toray Arrows	15–25	25–16	23–25	25–19	13–15	101–100
12 Nov	13:00	JT Marvelous	2–3	Ageo Medics	25–19	25–22	15–25	17–25	15–11	97–102
12 Nov	15:40	NEC Red Rockets	2–3	Denso Airybees	25–19	24–26	23–25	25–21	10–15	107–106
12 Nov	15:50	Body Queenseis	0–3	Hisamitsu Springs	17–25	19–25	12–25			48–75

Matchday 8

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
18 Nov	13:00	Hisamitsu Springs	3–1	Denso Airybees	25–20	22–25	25–23	25–18		97–86
18 Nov	13:00	Body Queenseis	2–3	Toray Arrows	23–25	25–21	25–23	22–25	16–18	111–112
18 Nov	15:30	NEC Red Rockets	3–0	Ageo Medics	25–21	25–18	25–20			75–59
18 Nov	16:05	Hitachi Rivale	0–3	JT Marvelous	21–25	21–25	19–25			61–75

Matchday 9

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
19 Nov	13:00	Denso Airybees	3–1	Ageo Medics	21–25	25–14	25–21	25–18		96–78
19 Nov	13:00	Toray Arrows	1–3	JT Marvelous	14–25	25–23	18–25	24–26		81–99
19 Nov	15:40	Body Queenseis	2–3	Hitachi Rivale	20–25	26–24	25–18	22–25	10–15	103–107
19 Nov	15:48	NEC Red Rockets	0–3	Hisamitsu Springs	24–26	24–26	19–25			67–77

Matchday 10

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
25 Nov	13:00	Ageo Medics	1–3	Hisamitsu Springs	13–25	26–24	21–25	25–27		85–101
25 Nov	13:00	NEC Red Rockets	1–3	JT Marvelous	19–25	23–25	25–22	21–25		88–97
25 Nov	15:35	Hitachi Rivale	1–3	Toray Arrows	21–25	25–20	21–25	25–27		92–97
25 Nov	15:40	Denso Airybees	3–0	Body Queenseis	25–22	26–24	25–20			76–66

Matchday 11

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
26 Nov	13:00	Ageo Medics	0–3	Toray Arrows	17–25	22–25	22–25			61–75
26 Nov	13:00	Body Queenseis	3–2	NEC Red Rockets	18–25	25–18	25–22	23–25	15–8	106–98
26 Nov	15:55	Hisamitsu Springs	3–1	Hitachi Rivale	19–25	25–19	25–16	25–15		94–75
26 Nov	15:05	Denso Airybees	0–3	JT Marvelous	15–25	22–25	21–25			58–75

Matchday 12

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
2 Dec	13:00	NEC Red Rockets	3–0	Toray Arrows	25–21	25–20	25–14			75–55
2 Dec	13:00	JT Marvelous	1–3	Hisamitsu Springs	26–24	22–25	16–25	23–25		87–99
2 Dec	15:00	Hitachi Rivale	3–2	Denso Airybees	26–24	16–25	17–25	25–17	15–13	99–104
2 Dec	15:35	Body Queenseis	3–2	Ageo Medics	22–25	26–24	16–25	25–20	15–13	104–107

Matchday 13

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
3 Dec	13:00	Toray Arrows	3–1	Denso Airybees	25–17	23–25	25–22	25–9		98–73
3 Dec	13:00	Hisamitsu Springs	3–0	Body Queenseis	25–22	25–20	25–13			75–55
3 Dec	15:00	JT Marvelous	3–0	Ageo Medics	25–16	25–21	25–18			75–55
3 Dec	15:30	Hitachi Rivale	1–3	NEC Red Rockets	15–25	25–21	16–25	18–25		74–96

Matchday 14

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
9 Dec	13:00	NEC Red Rockets	1–3	Denso Airybees	15–25	25–21	22–25	22–25		84–96
9 Dec	13:00	Hisamitsu Springs	3–1	Toray Arrows	22–25	25–23	25–19	25–16		97–83
9 Dec	15:40	Ageo Medics	3–0	Hitachi Rivale	25–17	25–18	25–22			75–57
9 Dec	15:45	JT Marvelous	3–0	Body Queenseis	25–22	25–22	25–21			75–65

Matchday 15

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
10 Dec	13:00	Toray Arrows	0–3	JT Marvelous	22–25	18–25	14–25			54–75
10 Dec	13:08	NEC Red Rockets	3–2	Hitachi Rivale	32–30	20–25	26–28	25–14	15–9	118–106
10 Dec	16:15	Hisamitsu Springs	3–2	Body Queenseis	25–16	27–29	25–19	28–30	15–6	120–100
10 Dec	15:10	Ageo Medics	0–3	Denso Airybees	29–31	20–25	22–25			71–81

Matchday 16

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
6 Jan	13:00	JT Marvelous	3–1	Body Queenseis	25–18	18–25	25–19	25–23		93–85
6 Jan	13:00	NEC Red Rockets	2–3	Denso Airybees	18–25	25–19	24–26	25–21	12–15	104–106
6 Jan	15:00	Ageo Medics	1–3	Toray Arrows	23–25	25–20	14–25	22–25		84–95
6 Jan	15:00	Hisamitsu Springs	3–0	Hitachi Rivale	25–20	25–22	25–22			75–64

Matchday 17

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
7 Jan	13:00	Ageo Medics	2–3	JT Marvelous	25–23	16–25	25–17	19–25	13–15	98–105
7 Jan	13:00	Denso Airybees	3–0	Hitachi Rivale	25–22	25–21	25–16			75–59
7 Jan	15:00	Body Queenseis	3–2	Toray Arrows	25–15	20–25	25–15	18–25	15–11	103–91
7 Jan	15:00	NEC Red Rockets	0–3	Hisamitsu Springs	17–25	25–27	15–25			57–77

Matchday 18

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
13 Jan	13:00	Ageo Medics	2–3	Body Queenseis	21–25	19–25	25–23	25–9	14–16	104–98
13 Jan	13:00	Toray Arrows	2–3	Denso Airybees	21–25	25–22	25–11	21–25	20–22	112–105
13 Jan	15:00	Hisamitsu Springs	3–0	JT Marvelous	25–18	25–22	25–21			75–61

Matchday 19

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
14 Jan	13:00	Ageo Medics	3–0	Hitachi Rivale	25–22	25–22	25–19			75–63
14 Jan	13:00	Hisamitsu Springs	3–0	Denso Airybees	25–19	25–16	25–17			75–52

Matchday 20

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
20 Jan	13:00	Hitachi Rivale	3–2	JT Marvelous	16–25	26–24	25–19	25–27	15–12	107–107
20 Jan	13:00	NEC Red Rockets	3–0	Toray Arrows	25–13	25–17	25–23			75–53
20 Jan	15:00	Body Queenseis	3–0	Denso Airybees	25–15	25–22	25–21			75–58

Matchday 21

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
21 Jan	13:00	Body Queenseis	3–0	Hitachi Rivale	25–16	25–14	25–19			75–49
21 Jan	15:00	NEC Red Rockets	2–3	Ageo Medics	25–12	25–20	21–25	29–31	11–15	111–103

Matchday 22

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
27 Jan	13:00	NEC Red Rockets	1–3	Body Queenseis	26–28	25–16	16–25	20–25		87–94
27 Jan	13:00	Ageo Medics	0–3	Hisamitsu Springs	16–25	21–25	21–25			58–75
27 Jan	15:00	JT Marvelous	1–3	Denso Airybees	27–25	23–25	20–25	19–25		89–100
27 Jan	15:00	Toray Arrows	1–3	Hitachi Rivale	19–25	25–23	19–25	18–25		81–98

Matchday 23

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
28 Jan	13:00	Toray Arrows	0–3	Hisamitsu Springs	18–25	15–25	15–25			48–75
28 Jan	13:08	JT Marvelous	2–3	NEC Red Rockets	23–25	25–19	28–26	22–25	11–15	109–110

Playoff

Final 6 standing procedure

1. Total points (match points of final6 and the ranking points of regular season)
2. The rank of regular season

Ranking points of regular season[2]

1st place - 5point

2nd place - 4point

3rd place - 3point

4th place - 2point

5th place - 1point

6th place - 0point

Match won 3–0 or 3–1: 3 match points for the winner, 0 match points for the loser
Match won 3–2: 2 match points for the winner, 1 match point for the loser

Standings

Pos	Team	Pld	W	L	Pts	SW	SL	SR	SPW	SPL	SPR	Qualification
1	JT Marvelous	5	5	0	18	15	4	3.750	0	0	—	Final
2	Hisamitsu Springs	5	4	1	16	12	8	1.500	0	0	—	Final 3
3	Toyota Auto Body Queenseis	5	2	3	11	11	10	1.100	0	0	—
4	Denso Airybees	5	2	3	7	8	11	0.727	0	0	—
5	NEC Red Rockets	5	1	4	5	7	12	0.583	0	0	—
6	Toray Arrows	5	1	4	3	5	13	0.385	0	0	—

Source:

Matchday 1

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
10 Feb	11:00	Hisamitsu Springs	3–2	Body Queenseis	25–23	17–25	22–25	25–22	18–16	107–111
10 Feb	11:00	JT Marvelous	3–1	Toray Arrows	18–25	25–22	25–15	25–23		93–85
10 Feb	11:00	Denso Airybees	3–2	NEC Red Rockets	23–25	21–25	25–21	25–22	15–9	109–102
11 Feb	13:00	Hisamitsu Springs	3–1	Toray Arrows	25–22	22–25	25–16	25–19		97–82
11 Feb	13:00	JT Marvelous	3–2	Body Queenseis	25–22	25–16	15–25	10–25	15–11	90–99

Matchday 2

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
17 Feb	11:00	Hisamitsu Springs	3–1	NEC Red Rockets	25–18	19–25	25–20	25–23		94–86
17 Feb	11:00	JT Marvelous	3–0	Denso Airybees	25–23	25–15	25–18			75–56
17 Feb	11:00	Body Queenseis	1–3	Toray Arrows	25–23	19–25	23–25	16–25		83–98
18 Feb	13:00	Hisamitsu Springs	3–1	Denso Airybees	25–19	18–25	30–28	25–15		98–87
18 Feb	13:00	JT Marvelous	3–1	NEC Red Rockets	23–25	25–22	26–24	25–17		99–88

Matchday 3

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
24 Feb	11:00	Body Queenseis	3–0	NEC Red Rockets	25–14	25–21	25–21			75–56
24 Feb	11:00	Denso Airybees	3–0	Toray Arrows	25–21	29–27	25–19			79–67
24 Feb	11:00	Hisamitsu Springs	0–3	JT Marvelous	22–25	20–25	17–25			59–75
25 Feb	13:00	NEC Red Rockets	3–0	Toray Arrows	25–19	25–16	25–21			75–56
25 Feb	13:00	Body Queenseis	3–1	Denso Airybees	25–20	25–22	16–25	25–13		91–80

Final 3 / Final

	Final 3							Final
								1	JT Marvelous	0	0
	2	Hisamitsu Springs	3	3				2	Hisamitsu Springs	3	3
	3	Toyota Auto Body Queenseis	0	0

Final 3

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
3 Mar	13:08	Hisamitsu Springs	3–0	Toyota Auto Body Queenseis	25–22	25–23	25–22			75–67
4 Mar	12:08	Hisamitsu Springs	3–0	Toyota Auto Body Queenseis	25–17	25–20	25–12			75–49

Final

Date	Time		Score		Set 1	Set 2	Set 3	Set 4	Set 5	Total	Report
10 Mar	13:08	JT Marvelous	0–3	Hisamitsu Springs	9–25	20–25	21–25			50–75
17 Mar	15:08	JT Marvelous	0–3	Hisamitsu Springs	14–25	21–25	20–25			55–75

Final standing

Rank Team Hisamitsu Springs JT Marvelous Toyota Auto Body Queenseis 4 Denso Airybees 5 NEC Red Rockets 6 Toray Arrows 7 Ageo Medics 8 Hitachi Rivale Qualified for the Asian Championship

2017-2018 V.Premier League Women's Champions Hisamitsu Springs Team Roster Miyu Nagaoka, Chizuru Kotō, Risa Shinnabe, Nana Iwasaka, Yuki Ishii, Rika Nomoto, Kotoki Zayasu, Erika Sakae, Yūka Imamura, Kiyora Obikawa, Fumika Moriya, Yūka Taura, Foluke Akinradewo, Asuka Hamamatsu, Mana Toe, Akane Ukishima, Sayaka Tsutsui, Haruka kanamori, Arisa Inoue, Minami Higane, Miyu Nakagawa, Hikari Katō Head Coach Shingo Sakai

Awards

Most Valuable Player Yuki Ishii (Hisamitsu)[3] Excellent Player Brankica Mihajlović (JT) Allstar Team Yuki Ishii (Hisamitsu) Brankica Mihajlović (JT) Neriman Gençyürek (TAB) Foluke Akinradewo (Hisamitsu) Erika Araki (TAB) Misaki Tanaka (JT) Mako Kobata (JT) Best Coach Shingo Sakai (Hisamitsu) New face award Ai Kurogo (Toray)

Best scorer Neriman Gençyürek (TAB) 580points[4] Spike award Foluke Akinradewo (Hisamitsu) 60.3% Block award Erika Araki (TAB) 0.85points/set Service award Yuka Kanasugi (JT) 17.4% Reception award Risa Shinnabe (Hisamitsu) 63.0% Receive award Yuki Ishii (Hisamitsu) Special award (played more than 230 matches) Moemi Tōi (Hitachi)

See also

• 2017–18 V.Premier League Men's

References

1. "2017/18 V・プレミアリーグ男女開幕記者会見を開催！！". vleague.or.jp. Retrieved 2018-02-02.
2. "2017/18V・プレミアリーグ V・ファイナルステージファイナル6開催日程のお知らせ". Japan Volleyballleague Association. Retrieved 2018-01-31.
3. "2017/18 V・プレミアリーグ女子大会 最終結果". Japan Volleyball League Organization. Archived from the original on 2018-03-17. Retrieved 2018-03-17.
4. "2017/18V・プレミアリーグ女子大会 Ｖ･レギュラーラウンド最終結果・個人賞受賞選手のお知らせ". Japan Volleyball League Organization. Archived from the original on 2018-01-29. Retrieved 2018-03-05.

External links

• Official website (in Japanese)