Kaho Koyanagi

Kaho Koyanagi is a first-year student at Ashiro High School who plays the role of the group's energetic mood-lifter. Her lovable personality has earned her a reputation across the entire school as something of a little sister figure. She harbors an intense admiration for Maui Otsuka, often wearing yellow hair accessories as a symbol of that devotion. Notably, she shares a childhood connection with the protagonist Reinako. The bubbly, outgoing image she projects is, in fact, a carefully maintained façade sustained through self-suggestion and contact lenses—beneath it lies a genuinely sensitive and emotionally delicate side.