Amateur couple playing Russian roulette 3 SDMU-576

The challenge is for four people—your boyfriend and another person's boyfriend (a total of four)—to take turns having sex 100 times each, with each person taking turns after 100 thrusts. If the girlfriend successfully makes her boyfriend ejaculate, she wins a 1 million yen prize! This is an incredibly exciting Russian roulette game for ordinary couples! Will the girlfriend be able to get her boyfriend to ejaculate successfully?