Childhood friends who have lived next door to each other since birth. They take baths together, go to school together, laugh and cry together, and grow up with a relationship like that of a manga artist. As Shiro sees his childhood friend, Kanon, becoming more and more beautiful as she grows up, he believes that they will be together Itsuka. Even to others, the flags of becoming lovers are too bright. However, when the time comes, he becomes timid. When he finally decides to confess his feelings, he finds out that his childhood friend has been obsessed with the big dick of a muscular old man. His dick is rock hard despite his troubled Kokoro. A new genre of AV drama, youth NTR, is born!