Ore wa Azatoi wo Yurusanai

Reiji Hashimoto is a smart, ruthless, and cold-hearted boy who hates flirting with girls. He especially despises his classmate Mikage Yakushiji, a clumsy girl who is always making a fool of herself. However, Mikage seems to have an innocent crush on Reiji! This is a unique romantic comedy about the quiet struggle between two people who can't seem to get along!

(Source: Kodansha, translated)