It's from a multiple stories, and the one i'm seeking is 2 chapters long. Story : a student got a unrequited love for his sensei (dark hair + glasses), he kept on saying he loves him, but it didn't worked. There is a time when he had to make an apology letter for his sensei... In the second chapter, the sensei restrain him to. ......lets say "exchange their DNA from the back" but in the end it didn't work...
It's from a multiple stories, and the one i'm seeking is 2 chapters long.
Story : a student got a unrequited love for his sensei (dark hair + glasses), he kept on saying he loves him, but it didn't worked. There is a time when he had to make an apology letter for his sensei...
In the second chapter, the sensei restrain him to. ......lets say "exchange their DNA from the back" but in the end it didn't work...