The infirmary nurse and kids think he's gay (first story) so he tried a bet to confirm it and the sensei says not to ridicule adults...really similar to the other one where the kid bullies his sensei because he thinks he's gay.
Pg 107
3 students share a room.
One falls in love with another. The uke kinda tells the seme that he loves him in a misunderstanding...And since it's awkward he stood going back to the dorm. One day tho he gets back to pick up his stuff...The seme gets back and the uke jumps out hurting his ankle.
Hokenshitsu no Target