My son's friend Keita peeked into my clothes. Riisa gently admonishes the mischievous boy, but when she looks closely, Keita has a hard erection. This girl is seriously horny... Keita grew up not knowing his mother, so he may have special feelings for older women. Riisa sympathizes with Keita's situation and secretly pulls it out with her mouth. However, that kindness causes Keita to go even further out of control...