Mitsui Chihiro
光井 ちひろ
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| Mitsui Chihiro光井 ちひろ | |
| Hair | Long, Violet |
| Eyes | Green |
| Body | Pale, Slim, Teen |
| Clothes | Bikini, Jacket, Kemonomimi Hood |
| Personality | Chuunibyou |
| Role | Younger Sister |
| Engages in | Cosplay |
| Visual novels | Main character - Imouto no Chuunibyou to NEET o Naosu no wa, Ore no xx Dake tte Maji? |
| Voiced by | Momoya Minami |