Horiuchi Chouko
堀内 響子
| Horiuchi Chouko堀内 響子A | |
| Measurements | Height: 162cm |
| Hair | Brown, Long, Parted in Middle, Ponytail, Shoulder-length, Sidehair |
| Eyes | Tsurime, Violet |
| Body | Mole, Pale, Slim, Young-adult |
| Clothes | Cloak, Court Shoes, Dress, Earrings, Hair Tie, High Heels, Pendant Necklace |
| Personality | Possessive, Refined, Strange, Watakushi |
| Role | Secretary, Tutor |
| Visual novels | Side character - Shinsei ni Shite Okasubekarazu |
| Voiced by | Kawashima Rino |