Kimi to Watashi no Renai Soudan

Confessing your feelings the girl you love is never easy. Even more so if she's one of the school's two most admired idols. Kobayakawa, now a high-school student, has been going to the same class as his crush, Kawai Yui, since elementary school. When he finally decides to call her out, he's so nervous that he ends up confessing to be in love with the school's other beauty, Kawashima Asuka,...?!

(Source: MangaDex)