Ai Kamiyo
Ai is a first-year high school student who became Kotaro's tutee. She's best known for carrying the weight of a tragic past—her brother died because of complications stemming from her own health condition. It's the kind of loss that shaped who she is, though she doesn't lead with it.
As Kotaro's student, Ai benefits from having someone invested in her education, though their dynamic suggests there's more going on beneath the surface than typical tutoring sessions. Fans often note the underlying complexity of her character, given everything she's dealing with emotionally.
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