Ashita wa Kitto Tomodachi Janai, yo ne

High school students Akari and Mikage have been childhood friends since kindergarten. Akari has always had a crush on Mikage, but he doesn't tell him how he feels. He wanted to support his love for his popular Mikage. However, Mikage, who was confessed to by a girl, refuses and says, "I can't because I have someone I like."

(Source: Kadokawa, translated)