Birthplace: Hiroshima
Birthday: November 16
Height: 150 cm
Weight: 41 kg
Blood type: A
Sizes: B79/W56/H81
Kotone is a quiet, glasses-wearing girl in Haruto and Yuzuki's class who hides her actual attractiveness behind a demure personality—fans often compare her vibe to Honoka Sakurai from Suzuka. She's genuinely skilled at sewing and looks up to Yuzuki, though she's developed feelings for Haruto herself.
Things shift during a class apple-gathering trip for the festival. After Haruto casually mentions he likes her hair down, Kotone shows up with it unbraided, and he genuinely compliments the look. She takes that to heart and says she'll keep wearing it that way if he prefers it. When Haruto gets rejected by Eba later that same day, a miscommunication happens—Kotone ends up holding his hand and confessing to him. Haruto realizes the mix-up but she misunderstands that and tells him she'll wait for a proper confession at the festival instead.
That plan falls apart once she sees Haruto pull Yuzuki away from the festival to talk privately. She gets it then—he's actually into Yuzuki, not her. More recently, Kotone's moved on and is now dating Himuro.
Content compiled by AnimeList.moe from publicly available sources.