Character profile
Mitsuki Hayase
速瀬水月Biography
Mitsuki Hayase is a friend of both Takayuki and Haruka and a competitive swimmer in high school. She is well-meaning but suppresses her feelings, letting them build up in dangerous ways.
Story spoilers
Mitsuki secretly has feelings for Takayuki. After Haruka's accident, she leaves swimming to care for him and later reveals those feelings. She believes she is responsible for Haruka's accident because she was the main reason Takayuki was late for his date with Haruka.
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