Kayo Maruta

Kayo Maruta (丸田(まるた) 加代(かよ) Maruta Kayo), commonly known as Glasses-Senpai (メガネ先輩(せんぱい) Megane-Senpai), is a recurring minor character in the manga Citrus. She is a lesbian because she have a crush on Harumi's sister Mitsuko.