PPPD-754 He was found working in a milk shop.

To save the dream of going abroad for study, he left his home temporarily to work in a dairy shop, but was found out by chance that his classmates came to play, and there were rumours that even the most annoying former class guide came to play in the store and was forced to ask for breast-feeding handguns, and that was gradually getting more and more, even in a no-show, which turned out to be an affair between his classmates. That's the titty of Rin's name on the top of the school.