Koko Matsumoto is a main character in the yuri series Wataten!. She is a playful girl who was in a club with Miyako Hoshino in high school, and Yu's older sister. Her birthday is October 16.
Yuri feats Edit
- Even though Miyako hardly remembers her, Koko has been obsessively fixtated on her, acting like a stalker.
- She already knows Miyako's information and phone number.
- Her wish: To be even closer to Miyako.
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