That JAV

Kanna and Konatsu become sisters-in-law after their parents remarry, and since their parents are away on their honeymoon, they have to live alone together for a while. Kanna's nipple stalker sister-in-law slowly and persistently stimulates Konatsu's undeveloped pink nipples, and Konatsu's body eventually develops a sensitive premature ejaculation state that causes only her nipples to come. Konatsu's body is developed into a sensitive premature ejaculation constitution where only her nipples come.