Nanami, a high school freshman, is a caring and innocent boy. His daily routine involves looking after his childhood friend, Kairi, who is very popular in the neighbourhood. One day, Kairi suddenly confesses: “Go out with me!”

At first, Nanami thinks he misheard, but it turns out he’s serious. After years of suppressing his desires, Kairi launches a fierce attack, and his straightforward words send Nanami into an embarrassment overdrive.