Sexually frustrated, Chihiro soon caved in to the lustful allure of her friends paid dating stories and tagged along for an 'observation' only... (CVs: Suzuna / Mitsuki Tachibana)
You have purchased an "Estrus Switch" from a suspicious online shop. It arrives and you try it out on your l*li l*li niece... It works and she wants you...
An elder brother and younger sister suddenly switch bodies. She's a maiden with a strong sense of chastity. He's a playboy that loves to f*ck around... The obvious occurs!
The end times draw near. The world is coming to an end... You have nothing to lose and as such... you abduct two girls, and have your way with them. This is the last month you spend... and you spend it drowning in debauchery.