GAR-174 - The Virgin's Guide to Scoring: A 30-Year-Old's Crash Course in Picking Up Gyarus

I'm pretty sure this is Mana Izumi. Her grinding and hip movements during the cowgirl position, even against a virgin, were spectacular.

Does anyone know the name of this black-gyaru teacher or her other works? I really liked the way she moved her hips during the final scene.

A guy over 30 learns how to pick up girls from a tanned gyaru and then tries it out. He was way too aggressive with the girl he approached; it felt like he needed to calm down a bit. The concept itself was fun.