ชีวิต booby –
Naoto is a university student. วันหนึ่ง, he meets Ayane, his old friend, by chance after an interval of several years. นอกจากนี้, Chika, his old friend as well, suddenly appears in front of him. She tells him to become her tutor and they start living together but will Naoto resist the temptation of those delicious big boobs?