At a school where boys are a minority, Ayuchi has been bullied by the girls in his class. One day, he receives a mysterious onahole that allows him to have actual sex with whatever girl he imagines. Making full use of his new tool, he begins a plan to take revenge by impregnating the entire class.

在一所男生占少数的学校里，Ayuchi 经常受到班上女生的欺负。有一天，他收到了一个神秘的小穴，可以让他与他想象中的任何女孩发生真正的性关系。他充分利用他的新工具，开始了一项让全班都怀孕的报复计划。