Manga written by Mangaka Itonoko (イトノコ):
https://twitter.com/misokooekaki
3-Gumi no Osananajimi
Depicts the journey of three sets of childhood friends - 'childhood friends with a physical difference,' 'childhood friends who are conscious of height differences,' and 'childhood friends with an age gap' - until they start dating.
Chapter 17
7 months ago
Romance
Slice of Life