Shimanoumi Koyo
| Heya | Kise |
| Name | Koyo Hamaguchi |
| Ring Name History | Hamaguchi → Shimanoumi |
| Rank | Maegashira #6 |
| Date of Birth | July 11, 1989 |
| Place of Birth | Mie |
| Height | 178.0cm |
| Weight | 160.0kg |
| Favorite Grip/Techniques | tsuki, oshi |
| Heya | Kise |
| Name | Koyo Hamaguchi |
| Ring Name History | Hamaguchi → Shimanoumi |
| Rank | Maegashira #6 |
| Date of Birth | July 11, 1989 |
| Place of Birth | Mie |
| Height | 178.0cm |
| Weight | 160.0kg |
| Favorite Grip/Techniques | tsuki, oshi |