JAV Tokyo

I met her sister by chance when I went to her house to visit her. One day, I witnessed her masturbating, which led to a "naughty" relationship. Gradually, the behavior escalated and we even had sex! She also seduces me with erotic slurs such as "impregnate me" and "let your thick cum deep inside my vagina". How can I win against the temptation of a sister who is more beautiful and erotic than she is and who lets me cum inside her...!