Alternative
Super close contact with childhood friend / 二人羽織は最高の(セックスができる)異文化交流です/ Nininbaori wa Saikou no (Sex ga Dekiru) Ibunka Kouryuu desu
It’s not a real “helping hands” gag unless you put a little something extra inside (lie). I stealthily gorged myself on the unsuspecting transfer student’s wet pussy in front of the entire class… And now I’m hooked.