The problem of my childhood friend I reunited with after so long is… her chest is waaaaay too big?!. “It’s been so long~! Not since elementary school! You’ve gotten super big!”. When I reunited in high school with Ririsa Mino, the childhood friend I used to play with just like one of the boys… I found out her chest had grown to an absolutely outrageous size?!. “Honestly, I’m having a really hard time! Gropers, guys hitting on me, talent scouts! So… you have to be my bodyguard!”. With that proposition, my heart-pounding days of protecting Ririsa began!. “Nnnnnnngh, hnnggghhhh!” Working out together. “…You won’t freak out if you see me in a swimsuit?” Going to the pool. Plus, all sorts of incidents keep happening because of her oversized chest?!. A slapstick romantic comedy spending everyday life with a waaaaay too well-endowed childhood friend!