The morning after she got dumped by her boyfriend, when she woke up, she was in the same bed as her childhood friend, Hijiri?! Despite the heartbreak and shock of it all, Koyori just can't seem to forget Hijiri telling her "I love you"...?! How do you go from being "childhood friends" to "lovers?" Super popular on the online bookstore! An innocent first love between adults who are trying to graduate from being just childhood friends; it's a heart-racing love!

(Source: Kodansha, translated)