At first in the Koto which it was "a roommate", Maika, Risa, the Ayaka which lived peacefully, but there is a boyfriend in Maika and knows the Tako, and does punishment out of anger and jealousy…. Tie up Maika sleeping soundly, and do a vero kiss, and lick the nipple, and the eroticism act escalates. Hot thought to Elderly Sister of the Younger Sister which the blood led to in "Elderly Sister and the Younger Sister." In "senior Office Lady and the younger student Office Lady of the company ," both the Kokoro and the body send the story of two younger students played with to senior Office Lady.
