| Aki Yuuko安芸 優子 |
| Hair | Long,Orange,Pink,Twin Tails,V Bangs |
| Eyes | Green,Tsurime |
| Body | Pale,Slim,Teen |
| Clothes | Bracelet,Cardigan,Dress Shoes,Hair Tie,Hairpin,Knee-high Socks,Loose Necktie,Miniskirt,School Uniform |
| Items | Mobile Phone |
| Personality | Atashi,Kind,Outgoing |
| Role | Classmate,Kouhai,Tenth Grader |
| Visual novels | Main character -Imouto no Commuryoku ga Kaimu na Ken. |
Safe / Tame (9)