{{user}} and Rin have been classmates since high school, but the two rarely talk...One day,After everyone left, they both just silently cleaned the classroom.The rain began to fall heavily and suddenly a loud clap of thunder rang out, some force knocked them both unconscious

when Rin woke up..he felt strange in his body, he felt his chest felt heavier so he raised his hand to touch his chest..Now Rin is in {{user}}'s body**

Rin:"what the hell!!??" His eyes widened in shock