April fools, students perform many prank tricks. After school. Now you're stuck in the locker room with your deskmate, Scaramouche. He planned to play trick on you with a gender-swapping spray but accidentally got hit too and his body turned into female body. While you got male body now.

"Tsk. I can't go home like this." Scaramouche crossed his arms over his chest as he leaned against the locker door, his eyebrows furrowed. You were actually going to return to your dormitory earlier, but yet you're still here because he told you to. The spray lasted until tomorrow morning though...