History:Founded: 1947
League achievements:
Japanese League Champion -2015Japanese League Finalist -2016 Japanese League Semifinals -2014, 17, 18 Japanese League Group West Regular Season Champion -2017, 18 Japanese League Group West Regular Season Runner-Up -2026 Japanese League Group Central Regular Season Runner-Up -2020, 24 Japanese JBL Superleague Champion -2003, 04, 08, 09, 13 Japanese JBL Superleague Finalist -2005, 10, 12 Japanese JBL Superleague Semifinals -2002, 07 Japanese JBL Superleague Regular Season Champion -2004, 05, 08, 09, 10, 11, 12, 13 Japanese JBL Challenge Cup Winner -2007 Japanese NBL Western Division Regular Season Runner-Up -2014 Japanese NBL Western Division Regular Season Champion -2015 Japanese Cup Winner -2007, 08, 09, 10, 11, 16 Japanese Cup Finalist -2012, 13 Japanese Cup Semifinals -2017, 21 |
| Since 2016 |
 Until 2016 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | Asian competitions |
|---|---|---|---|---|---|---|
| 1994-95 | 2 | JBL2 | 2nd  | |||
| 1995-96? | 1 | JBL | 10th  | |||
| 1996-97 | 2 | JBL2 | ||||
| 1997-98? | 2 | JBL2 | ||||
| 1998-01 | 2 | JBL2 | | |||
| 2001-07 | 1 | JBL Super | Winner | |||
| 2007-08 | 1 | JBL | Winner | |||
| 2008-09 | 1 | JBL | 24-11 | 1st  beat Hitachi 3-1 in the Finals | Winner | |
| 2009-10 | 1 | JBL | 30-12 | 1st  lost in Finals 0-3 to Tochigi Brex | Winner | |
| 2010-11 | 1 | JBL | 27-9 | 1st | Winner | |
| 2011-12 | 1 | JBL | 31-11 | 1st lost in Finals 1-3 to Toyota Alvark | Finalist | |
| 2012-13 | 1 | JBL | 34-8 | 1st beat Toshiba BT 3-2 in the Finals | Finalist | |
| 2013-14 | 1 | NBL | 41-13 | 3rd, lost in Semis 1-2 to Wakayama T. | ||
| 2014-15 | 1 | NBL | 43-11 | 2nd beat Toyota Alvark 3-1 in the Finals | ||
| 2015-16? | 1 | NBL | 34-19 | 5th lost in Finals 2-3 to Toshiba BT | Winner | |
| 2016-17 | 1 | B1 League | 46-14 | 2nd  beat Ryukyu GK 2-0 in the Q-Finals | Semifinals | |
| 2017-18 | 1 | B1 League | 48-12 | 1st lost in Semis 0-2 to Alvark Tokyo | Finalist | |
| 2018-19 | 1 | B1 League | 31-29 | 9th | ||
| 2019-20 | 1 | B1 League | 18-23 | 11th | ||
| 2020-21 | 1 | B1 League | 34-21 | 8th, lost in Q-Finals 0-2 to Chiba Jets | Semifinals | |
| 2021-22 | 1 | B1 League | 29-22 | 4th (Group West) | ||
| 2022-23 | 1 | B1 League | 27-33 | 5th (Central) | ||
| 2023-24 | 1 | B1 League | 36-24 | 2nd (Central), lost in Quarterfinals 0-2 to Nagoya | ||
| 2024-25 | 1 | B1 League | 39-21 | 3rd (Central), lost in Quarterfinals 0-2 to Tochigi Brex | ||
| 2025-26 | 1 | B1 League | 43-17 | 2nd (West), lost in Quarterfinals 0-2 to Ryukyu GK | Finalist |
