Hino Tamaki
妃乃 環
| Hino Tamaki妃乃 環 | |
| Hair | Brown, Shoulder-length, Twin Tails |
| Eyes | Green |
| Clothes | Old Type School Swimsuit, Polo Shirt, Skirt, Sport Bloomers, Tank Top |
| Role | Younger Sister |
| Engages in | Volleyball |
| Visual novels | Main character - Amaenbou ~Mou! Ikenai Ko ne~ |
| Voiced by | Kimura Ayaka |