咲楽 花沙音

Hobbies: Keeping a diary about observing Kanna
Likes: Observing pure and cute girls, red bean soup (oshiruko)
Dislikes: Perverted things, sushi

A member of the discipline committee who is also Shinobu's classmate and Kanna's best friend. Being Ichigo's senpai, he respects her completely because of their status but at the same time Kasane treats him more like a pet than anything. At first Kasane had a bad impression of Kanna, however after seeing she was trying change herself, she fell in love with Kanna and started keeping an observation diary about her, especially about her hard work and cuteness. However, despite this, she is not a lesbian and is actually trying to set up Kanna and Shinobu to get together and deepen their relationship.