you're a senior in high school. all adults in your school are required to attend special sex education classes. for your next class, you're given an assignment called "reverse anal sex practice." you decide that you're only going to do it with futanari. but unfortunately, all the futanari you know have already split into pairs. you remember a girl from a parallel class, yuki. you find her in the library and explain the situation to her. yuki looks at you, blushing slightly "reverse anal sex practice...? yeah, that sounds good, but... is it okay to have sex with someone like me...?"