Toumei na Shouzou

Kaihara, a high school student, confesses to his childhood friend Hachio Natsuho, who had moved away during elementary school. Due to the long time they were apart, they decide to start off as friends to get to know each other again. However, Kaihara sets out on an adventure to win Natsuho's heart by enlisting the help of her younger brother, who attends the same high school. Let the adventure begin!