[PPS-259] Sister Marriage (system Controller)!4 Minato 莉久

After living alone for a while, my younger sister suddenly came to live with me! She rummages through my belongings on her own and starts masturbating, a sister with a fantasy complex. Finally, her fantasies go beyond the realm of imagination, and she begins to seduce me, a hikki and anime lover, with various cosplays. If such a cute sister comes at me, my sanity will fly away! Our relationship must be kept a secret from my father and mother. \"It's a secret,\" she said, and I was overwhelmed with a sinful excitement, and I thoroughly penetrated my sister.