| Doi Tamako土居 球子B |
| Aliases | Tama |
| Measurements | Height: 147cm |
| Birthday | 2 September |
| Age | 14 |
| Hair | Brown, Shoulder-length, Sidehair, Twin Tails |
| Eyes | Green |
| Body | Pale, Slim, Teen |
| Clothes | Hair Flower, Hoodie, Jacket, School Uniform, Shorts, Sports Shoes, Sports Uniform |
| Items | Shield |
| Personality | Energetic, Food Lover, Loud, Puns, Third Person, Tomboy |
| Role | Eighth Grader, Friend, Mahou Shoujo |
| Engages in | Athletics, Basketball, Fighting, Henshin, Teasing |
| Visual novels | Main character - Yuuki Yuuna wa Yuusha de Aru - Hanayui no Kirameki |
| Voiced by | Hondo Kaede |