One day, a friend of his mother came to stay over. The delinquent son, Takeshi, arrogantly greeted her with 'I bet you're just an auntie.' However, the one who appeared was a beautiful mature woman, Eriko. Moreover, saying 'It's not right just to stay over,' Eriko, who had a teaching license, offered to be Takeshi's home tutor... His studies improved under her guidance, but he couldn't stop thinking about her alluring body. Before he knew it, he saw Eriko asleep and, unable to hold back any longer, reached his hand towards her crotch...
