3-gumi No Osananajimi

Also known as: ３組の幼なじみ, 3 Sets Of Childhood Friends

by Itonoko

The story is about the journey between three pairs of childhood friends — “the childhood friends with a big height difference,” “the childhood friends who are self-conscious about their height,” and “the childhood friends with an age gap” — on their way to finally come together and start dating. (Source: Pixiv, translated)