Arena Alseif
アレーナ アルセイフ
| Arena Alseifアレーナ アルセイフ | |
| Hair | Blond, Long, Ponytail |
| Eyes | Cyan |
| Body | Pale, Teen |
| Clothes | Belt, Hair Ribbon, Military Uniform, Plate Armor |
| Items | Sword |
| Role | Knight |
| Engages in | Swordsmanship |
| Visual novels | Main character - Ryuukishi Bloody † Saga |
| Voiced by | Kamishiro Misaki |