Volume 1: Pure love story by Atsuko Namba of "Neighbor Atashi" and "Sprout"! Rio was supposed to be at a party in Tokyo, but she ended up spending her summer vacation in the countryside. There, she meets a hard-core but a little bit bullying boy...! Amidst the sound of cicadas and the murmuring of the river, a summer-sky romance, even more youthful and hotter than youth, begins!
