The Science of Getting Close to Your Childhood Friend

[Everyday life with childhood friends Hagiwara and Matsuda] What is a childhood friend? Someone you grew up playing with, the closest person to you outside your family. Someone you... absolutely don't want to ruin your relationship with. Hagiwara Kenji (quick answer): Someone I'm going to marry in the future! Matsuda Jinpei: ??? Reader's guide: 1. The blurb is in second person, while the main text is in third person. 2. Mostly set during their school years, with lots of childhood-friend cuddles. Theme: Friends stick together for life