| Takashiro Yuiko鷹城 唯子 | |
| Hair | Brown, Long, Ponytail |
| Eyes | Green |
| Body | Young-adult |
| Clothes | Blouse, Skirt, T-shirt, Tracksuit |
| Items | Whistle |
| Visual novels | Side character - Triangle Heart 3 ~Sweet Songs Forever~ Side character - Triangle Heart 3 ~Lyrical Omochabako~ |
| Voiced by | Iwaki Yuna |
| Takashiro Yuiko鷹城 唯子A | |
| Measurements | Height: 174cm, Bust-Waist-Hips: 86-60-89cm |
| Birthday | 19 December |
| Hair | Ahoge, Braid, Brown, Ponytail, Spiky Bangs, Waist Length+ |
| Eyes | Green |
| Clothes | Keikogi, School Uniform, Sweater |
| Personality | Atashi, Energetic, Third Person |
| Role | Childhood Friend, High School Student |
| Engages in | Athletics, Martial Arts |
| Subject of | Birthday Celebration, Piggyback Ride |
| Visual novels | Main character - Triangle Heart Side character - Triangle Heart 2 ~Sazanami Joshiryou~ Main character - Triangle Heart ~Love Love Omochabako~ |
| Voiced by | Iwaki Yuna |