She possesses a stunningly beautiful face that turns heads, and a slender, flawless body. Moreover, she has a gentle personality and is practically without flaws. Misako, her mother's friend, is like an unattainable beauty to Ryota. If only she were such an elegant woman as his girlfriend… Unable to stop his erotic fantasies, Ryota finally begins to use Misako as masturbation material, engaging in solitary play. Meanwhile, Misako notices that she is being treated as a sex object. Loving her innocent and cute nature, Misako decides to teach Ryota about the female body from scratch…