so like kohai is a elementary school teacher and hes the teacher of the son of his senpai from before adn then when the senpai goes to school they meet each other and like DRAMMMA ish i guess (kohai likes senpai) andddd the kid also like the kohai/teacher (kid is cute hurhur) andddddd yeahh they like stars andddd senpai and kohai eventually get together
Yozora no Sumikko de