| DDT Iron Man Heavy Metal Championship | Saki Akai | 30 Sep 2023 to 26 Oct 2023 | 27 |
| BBW Women's Championship | Saki Akai | 27 Sep 2023 to 11 Nov 2023 | 46 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 22 Nov 2022 to 23 Jan 2023 | 63 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 13 Nov 2022 | 0 |
| Princess Tag Team Championship | Saki Akai and Yuki Arai | 09 Jul 2022 to 03 Jan 2023 | 179 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 29 May 2021 to 29 May 2021 | 1 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 26 Apr 2021 to 03 May 2021 | 8 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 03 Apr 2021 to 25 Apr 2021 | 23 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 14 Mar 2021 to 02 Apr 2021 | 20 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 05 Jan 2020 to 11 Jan 2020 | 7 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 04 Jan 2020 to 04 Jan 2020 | 1 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 03 Jan 2020 to 03 Jan 2020 | 1 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 15 Dec 2019 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 15 Dec 2019 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 01 Sep 2019 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 03 Aug 2019 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 04 Apr 2019 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 17 Feb 2019 to 03 Apr 2019 | 46 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 10 Jul 2018 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 27 May 2018 | 0 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 08 May 2018 to 21 May 2018 | 14 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 29 Apr 2018 to 07 May 2018 | 9 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 24 Apr 2016 to 20 May 2016 | 27 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 13 Dec 2015 to 02 Jan 2016 | 21 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 28 Nov 2015 to 12 Dec 2015 | 15 |
| DDT Iron Man Heavy Metal Championship | Saki Akai | 03 Jan 2015 | 0 |
