Tsubaki, with her beautiful, elegant, and intelligent appearance, loves erotic things despite her appearance. Among them, she especially loves dicks, she likes inserting them, but she loves licking them even more. Her boyfriend, Takeshi, is always troubled because Tsubaki tries to lick his dick whenever she gets the chance. One day, Tsubaki, after taking a bath at Takeshi's house, sees Takeshi's father's dick in a flaccid state and becomes horny...