Tsundere older sister Kaede and naturally cool younger sister Suzu, uneven twin sisters. One day, on his birthday, Hayato is kidnapped by Kaede and Suzu. Hayato is blindfolded in a luxury hotel room and becomes uneasy when Kaede and Suzu appear in their underwear! In order to celebrate Hayato's birthday, the two will serve him as a gift... The twin sisters who are always getting fucked will be satisfied with the role reversal service play this time!? On the way home, Hayato expects something in return for the sister's birthday. Therefore, Hayato, who is always swayed by Suzu, plots the "Suzu Ika Seppa Revenge Plan" to punish her with sex! When Suzu was restrained on the rooftop fence and was toying around with toys, Kaede, who couldn't stand it anymore, suddenly snatched his lips...!?