Green's manga / #Classmates(229)

https://vyvymanga.net/manga/chiguha-kuna-kisu

Ch 1 - Childhood friends. Daiki has a one-sided love for Kuni, but when Kuni gets a gf, he pretends to congratulate them and begins to avoid him, but for no longer, as the angry Kuni backs him up against a corner to demand an explanation!