RCTD-643 [Uncensored Leaked] The prince of a boyish futanari school for girls!?

My popular girlfriend (♀) has a secret she can't tell anyone: she has a huge cock (♂) growing! She has a strong sex drive! She's a masturbation maniac who scatters loads of semen! Her younger sister, who goes to the same school, always lends me her pussy. Finally, the girls at school find out about her secret!? She gets a rock-hard erection with a handjob! She's tied up and masochistically ejaculates with a masturbator! She becomes addicted to his insatiable cock and ends up in a harem situation!