A manual for sluts taught by the devilish, pro-cheating older sister Asuka Momose! Anal training methods that even sleazy men will get hooked on! She was supposed to just be a cheating partner, but... she dominates both body and Kokoro! Her anus is trained and she's even transformed into a body that can orgasm like a female! Devilish creampie sex! Peeing! Strap-on fucking makes her cum! Day after day, she plays with her anus and brings her to orgasm again and again! "It's okay! I won't run away!" The man becomes so addicted to ejaculation, creampies, and female orgasms that he can't stop!