|Debut||Never Back Down On Love|
|Japanese Voice||Aoi Yūki|
|English Voice||Caitlin Glass|
Mitsuko Yurizono (百合園 蜜子, Yurizono Mitsuko) is a bear who disguised herself as a human student. The class representative of Kureha Tsubaki and Sumika Izumino's class, and also a member of the Invisible Storm. In reality, Mitsuko is a bear as well as the one who ate Sumika, stealing her glasses as a memoir of her kill. Mitsuko is incredibly manipulative, and often uses sexual domination to get her way. She attempts to eat Kureha, but is shot by her and killed. She later appears before Ginko Yurishiro as the personification of her desire and attempts to seduce her into eating Kureha, but is rejected.
Mitsuko is also the class representative in the manga series. She was in middle school with Sumika and believes rumors that she is a bear witch after her friend disappeared while visiting her house.
In human form, Yurizono has long grey hair that has square bangs hanging over her eyebrows and amber-brown eyes.
- The name Mitsuko means "honey" (蜜) (mitsu) and "child" (子) (ko).
- Mitsuko's surname Yurizono means "lily" (百合) (yuri) and "garden" (園) (sono/zono).