IPZ-494 — An Inappropriate Relationship With My Girlfriend's Older Sister Haruna Osaka

Haruna, with her innocent smile and straightforward eyes, is my girlfriend's older sister! My feelings are completely drawn to Haruna, and this dangerous and forbidden relationship has begun! I know that this twisted relationship won't last forever, but I can't lie to myself anymore! What will become of this forbidden relationship between me and my girlfriend's older sister...?! The girlfriend is played by popular actress Riku Minato! Of course, I have sex with her too!