My husband used to teach a class full of problem students, but was mentally broken down by the experience and is now on leave. I returned to work after several years to take his place. To my dismay, I was assigned to that same troubled class once again. Hoping to reform them, I resolved to stay true to my principles. But I was wrong. Yuuki, the class leader, mocked me while treating me like his own plaything, taking me however he pleased. Resisting that student was a mistake...