History:Founded: 2005 (the year when BJ League was created)
Achievements:
Japanese League Semifinals -2006, 08Japanese League Eastern Division Regular Season Runner-Up -2010, 11, 16 Japanese B2 League Finalist -2022 Japanese B2 League Semifinals -2021 Japanese B2 League Group East Regular Season Champion -2020 Japanese B2 League Group East Regular Season Runner-Up -2019, 22 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Asian competitions |
|---|---|---|---|---|---|
| 2008-09 | 1 | BJ League | 31-21 | 6th, lost in Q-Finals 0-2 to Tokyo Apache | |
| 2009-10 | 1 | BJ League | 35-17 | 2nd | |
| 2010-11 | 1 | BJ League | 24-12 | 8th | |
| 2011-12 | 1 | BJ League | 25-27 | 12th | |
| 2012-13 | 1 | BJ League | 19-32 | 16th | |
| 2013-14 | 1 | BJ League | 24-28 | 12th | |
| 2014-15 | 1 | BJ League | 34-17 | 9th | |
| 2015-16 | 1 | BJ League | 36-16 | 6th, lost in Q-Finals 0-2 to Akita NH | |
| 2016-17 | 1 | B1 League | 14-46 | 18th | |
| 2017-18 | 1 | B2 League | 21-39 | 14th | |
| 2018-19 | 1 | B2 League | 40-20 | 5th | |
| 2019-20 | 1 | B2 League | 35-12 | 3rd | |
| 2020-21 | 1 | B2 League | 32-23 | 6th, lost in Semis 0-2 to Ibaraki R. | |
| 2021-22 | 1 | B2 League | 38-15 | 2nd (Group East)  lost in Final 1-2 to FE Nagoya | |
| 2022-23 | 1 | B1 League | 19-41 | 8th (East) | |
| 2023-24 | 1 | B1 League | 27-33 | 6th (East) | |
| 2024-25 | 1 | B1 League | 11-49 | 8th (East) | |
| 2025-26 | 1 | B1 League | 35-25 | 6th (East) |
