Kana Yukimura mother of Mimi and Rui Yukimura. A teacher at Iron Cross Academy. Kana's life never had a sad day in her life till her husband died in a car wreck. Because of the wreck, her family now has a large amount of debt they must pay off. Even with what she made I.C.A. she had to get 2 jobs to get by. Besides being a teacher she now works as a Tea Ceremony Instructor. She only home once a few houses a week. On top of all the work, she found out her son has been bullying other kids. One of the kids turned out to be his best friend Yuuta. There is also a rumor going around that an older student is having an inappropriate relationship with a younger student on school grounds and must keep an eye out for them.