孔雀石 透子

Hobbies: Talking, eating
Dislikes: Using technological devices
Liked food: Likes eating about anything (especially mille crêpes)
Disliked food: ???

Youta's childhood friend who is an important person in his life. Touko was taken into custody on suspicion of committing murder, but then got released and imprisoned in an empty Western-style mansion.
Her parents died in an accident when she was young. Because her relatives constantly fought over who gets the insurance money and what they inherit, she started hating humans.
As a result, she can only talk to the few people she trusts (Youta and and Mion).