Herbivore men are increasing in the world, and the syndrome that wants a girl to wear a condom during sex is rampant. It is said that the girls who are trying to do their best to such tuna men have no choice but to ask their older brothers and younger brothers, who are familiar boys, to practice using their mouths to put rubber on. No matter how many brothers and sisters do that, there's no reason why they wouldn't want to do it.
