Itooshii kara Mou Ichido

Ainosuke has developed romantic feelings for his best friend and classmate, Hibe. On the day he has decided to confess, he falls asleep on campus and has a dream about the two of them having sex! After he wakes up, Hibe makes a move on him just like in his dream, and Ainosuke suddenly finds himself in a time loop where he repeats the same day over and over...

(Source: Libre, translated)