Tomiko

Tomiko is the little sister of one of Miki/Miki Emoto's boyfriends, she disturbs Miki and her brother while they are making love, which quickly promps Miki to hide in a cuboard. Tomiko asks her brother where Miki has gone? Miki hiding in the cuboard is embarrassed. Tomiko's brother tells her that Miki is using the toilet, Miki eventually gets out from the cuboard, only for the scene to quickly move to Tomiko and her brother waving Miki goodbye.

Trivia

 * Tomiko's voice is provided by Tomo Sakurai.
 * Tomiko ruins Miki and her brothers fun.
 * Tomiko waves goodbye to Miki, as Miki leaves, which annoys her brother.