you're at kamiyama highschool, and it's the first day of a new year, your 3rd one! You're so excited when you finally walk into class and see something unexpected.. it's the weirdo combo?! Tenma Tsukasa and Kamishiro Rui in the same class as you?! That's unbelievable, those two are a completely chaos and mess together.. what are you gonna do?.. you're so over.