| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2024 | Giravanz Kitakyushu | Emperors Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2024 | Giravanz Kitakyushu | YBC Levain Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2023 | Hokkaido Consadole Sapporo | Emperors Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2023 | Hokkaido Consadole Sapporo | YBC Levain Cup | 3 | 0 | 0 | 0 | 0 | – |
| 2022 | Hokkaido Consadole Sapporo | Emperors Cup | 1 | 0 | 0 | 0 | 0 | – |
| 2022 | Hokkaido Consadole Sapporo | YBC Levain Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2021 | Hokkaido Consadole Sapporo | YBC Levain Cup | 4 | 0 | 0 | 0 | 0 | – |
| 2018 | Albirex Niigata | YBC Levain Cup | 2 | 0 | 0 | 0 | 0 | – |
| 2016 | Urawa Reds | YBC Levain Cup | 5 | 0 | 0 | 1 | 0 | – |
| 2015 | Urawa Reds | Nabisco Cup | 1 | 0 | 0 | 0 | 0 | – |
| Total | 22 | 0 | 0 | 1 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| 01 Aug 2024 | Hokkaido Consadole Sapporo | Giravanz Kitakyushu | Free agent | |
| 01 Sept 2021 | Albirex Niigata | Hokkaido Consadole Sapporo | Free agent | |
| 01 Jan 2017 | Urawa Reds | Albirex Niigata | Transfer | |
| - | Giravanz Kitakyushu | Urawa Reds | Return from loan | |
| 01 May 2014 | Urawa Reds | Giravanz Kitakyushu | Loan |
K. Otani career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.