Sensei, let's play a game. Tachibana Sayane, who was appointed as a temporary teacher at Atsumi Academy, decided to take up the game proposed by Takeda, a student with a genius mind but who is truant. "If you win, I'll come to school as you wish. But if you lose this game... please take off your clothes." Ignoring Sayane's hesitation in the face of this unreasonable condition, Takeda's game began.
