Kodomo Milk Parfait

You're a college student and while you love the many beautiful girls you see around you in college you prefer elementary school girls. Your girlfriend is 10 year old 5th grade elementary school girl Ai Hasegawa. She's happy to be your girlfriend but discovers that her best friend Aya Sakurai has a crush on you too! Ai loves both you and Aya so she decides it's ok to share! She brings Aya to your apartment and asks you to take her first kiss. Where will you go from there?