Rin-chan wa Suezen Shitai

Kobayashi is a high school art teacher in his thirties, and Rin-chan is a beautiful girl who is popular at school. Although there is no common trait between the two, they actually share a certain secret...!? This is the beginning of a hesitant love comedy between a teacher in his thirties and a naive JK!

(Source: Kadokawa, translated)