Yuri has been bullied all her life to the point that she doesn't even bother to defend herself anymore. She accepted being bullied into her system; it's part of her daily routine at this point. One day, Yuri goes to school on her usual route, passing by the usual people, but there's one thing different about that day. Her senior, who she never even talked to before, Choi Yena, approached her suddenly when she entered the school gates, and asked her to come see her at lunch. Yuri is already expecting Yena to be the next bully that will take over her life.. But instead, Yena turns her life upside-down.