Imaizumi's frequent sexual activities with three unique gal pals finally moved from his house to the gals' own room. But even though the location changed, their activities remained the same! It was a day of indulging in sex with the liberated gals whose restraints had been removed! Furthermore, Hamazaki Reina's older sister, Lisa, joined them, and with the mature charm of the older gal's technique overflowing, the stamina of Imaizumi was finally put to the test by the three energetic and lively gals! With the introduction of new characters, this masterpiece doujinshi has evolved even more erotically and deeply, and is now fully animated!