Tarashi-kun to Narushi-chan

Furuya-kun is a popular boy who is known as the most flirtatious in school. One day, he falls in love with Shinaharu-san, the most narcissistic person in school! However, it seems difficult to get in Shinaharu-san's eye...? With unique characters, there's laughter, tears, and a frustrating romance! A youthful romantic comedy. (Source, Hakusensha translated)