``The taste you had back then...it was delicious...'' Airi ends up living with her fiancée, and there she learns that the man who raped her a long time ago is her fiancée's brother. Airi, who was drugged and raped, moved away to escape, but she can't stop shaking with fear at the unexpected reunion. A trash brother-in-law approaches Airi who is upset. It's a fateful reunion. I never expected my sex pet to be my sister-in-law.