Reina and Teppei set up a camera in the room where they live together and satisfy their sexual desires every day. On the way home from the drinking party, Reina invites the target's friend and drinks in the room. Pretending to be drunk and lesbian to friends. Then call him while you are in the shower. Two people played a prank on him who pretended to be asleep in the mud. At her signal he wakes up and rushes into a threesome.