| Kishimoto Marina岸本 麻里奈 |
| Hair | Brown, Ponytail, Sidehair |
| Eyes | Amber |
| Body | Huge Breasts, Pale, Young-adult |
| Clothes | Belt, Bikini, Blazer, Capri Pants, High Heeled Shoes, Lace Lingerie, Pantyhose, Tank Top, Yukata |
| Personality | Ara Ara, Assertive, Charismatic, Pervert, Promiscuous, Refined, Spoiled |
| Role | Childhood Friend, Girlfriend, Senpai, University Student |
| Engages in | Flirting, Swinging |
| Visual novels | Main character - Boku to Kanojo no Midara na Utage |
| Voiced by | Aoi Tokio |
DescriptionMasao's girlfriend and Saki's childhood friend. |