Isaka Koharu
衣坂 小春
| Isaka Koharu衣坂 小春A | |
| Measurements | Bust-Waist-Hips: 89-56-86cm |
| Birthday | 12 May |
| Hair | Curtained, Long, Odango, Parted in Middle, Spiky Bangs, Tiny Braid, Twin Braids, Violet |
| Eyes | Pink, Tareme |
| Body | Pale, Slim, Teen |
| Clothes | Apron, Bracelet, Chinese Dress, Clothing with Ribbons, Court Shoes, Flower, Hair Flower, Mini-dress, One Piece Swimsuit, Pendant Necklace, Ribbon Hair Accessory, Sandals, Skirt, Unusual Hair Ornaments |
| Items | Tray |
| Personality | Atashi, Sweets Lover |
| Role | Waitstaff |
| Visual novels | Main character - Pia♥Carrot e Youkoso!! G.O. ~Grand Open~ Main character - Pia Carrot G.O. Toybox ~Summer Fair~ Main character - Pia Jong |
| Voiced by | Asagi Yumemi |