HUNTA-251 "The innocent childhood friend suddenly turned into a slut!? I'm the practice dummy for trial sex!" ● After entering school, my childhood friend quickly became close with those sluts. The idea of having sex immediately when invited is being dril

A clear childhood friend quickly became close with a promiscuous girl at the school they went to for further education, and the idea that sex is expected if invited was instilled in them daily! However, my still-virgin childhood friend seems to have some resistance and comes to me, her only male friend, to try out sex! But when I can't successfully seduce her and nothing happens, the promiscuous girl who was hiding and watching appears!! She starts guiding us with her body, leading to a threesome!