Shishunki no Obenkyou is a multi-volume doujinshi, and only the first part will be animated. And the first chapter of this hentai will show us the beginning of the story about two classmates, Kasuga and her school friend Kobayashi. The girl has developed an irresistible curiosity and desire to know what men look like down there, i.e. she wants to see a real penis, and she is constantly tormented by these thoughts, not knowing what to do.

That same day, her classmate Kobayashi boasts to her about his exam results with the maximum score, and the girl quickly comes up with a simple plan. In response, she says she can beat him in his studies, and they make a bet: whoever gets the worst score on the next exam will do whatever the winner wants. When another exam passed and they showed each other their results, they saw that they had a tie, so it was decided that they both had to fulfill each other's wishes. The boy, not prepared for anything like that, modestly asks her to give him an eraser, and in turn, as her wish, Kasuga asks him to show her his penis. At first Kobayashi was very embarrassed, but under the girl's pressure he gave in. After long and fascinating explorations of each other's bodies, they had sex, although neither of them even realized that it was actually sex. This is how this romantic and funny story of two inexperienced teenagers begins.

@Anitokyo