Harumi is a beautiful mathematic Japanese teacher with lots of passions in her heart. She's still a virgin and single. She doesn't care about love in her life. In fact she never thought about the 'right one's in her life until a boy came in her life and change her mind about that. Henry Stawlin. He's a bad boy student who doesn't care about the word ' safety.' He would do anything stupid in his life. Especially challenges, which he loves more but so in he came to realization why the word 'Safety' and 'love's is important in his life. He would have never thought that loving someone could be so interesting, dangerous, and forbidden. follow these two people in their life and see where it takes them.