Densetsu no Kateikyoushi

Overview

Naoya Koga's parents hire a private teacher Haruki Machida so he can get into S university. However, due to a challenge from Haruki's rival, he ends up pushing Naoya to get into W university, which is much harder to get into. Haruki's rival was an ex student, and he tells Naoya that he isn't smart enough for Haruki. Naoya tried to study hard, however he is attracted to Haruki and ends up appearing foolish. Naoya has to struggle to overcome his feelings and study hard.

Source: AniList