Miu

Acknowledge when Hajime was trying to buy tickets and hooked off Yun to go to the show.

Miu Iijima (飯島美羽 Iijima Miu) is Yun Iijima's younger sister.

Appearance
Miu has a resemblance to her sister, having the same blonde hair. She usually wears it down with a ponytail on the left side, tied by pink bobbles. Miu has bright pink eyes and usually wear clothes with a yellow or orange colour scheme.

Yun's Day Off (Chapter 7)
In one of the side stories, Ren is upset and goes for Rin's help, and when she asks what is wrong, he says that Miu hit her. Yun tells her not to, and Miu starts to cry harder in response, revealing that Ren took her doll earlier. Her sister tells her to stop crying.