My sister is masturbating, why not we have sex together?

* Game Summary Touch Yuzuha with the click! The more you play, the sluttier Yuzuha gets! Choose what your sister wants, and love level will increase! Enjoy the sex with her! * Prologue Yuzuha, sister, masturbates in her room, and her brother knows her secret. He is so horny that he decides that having sex with Yuzuha would be a winwin situation. First, she refuses...but then... * Sex scenes 18 different cute and naughty animations! Train Yuzuha and she'll become a slut! You can change the speed of hand job, blow job, and piston! The timing of ejaculation is up to you! * Situations hand job, blow job, breasts kneading, vibrator, auto vibrator, anal beads, butts kneading, fingering, cunnilingus, piston, etc. * Good points Click on Yuzuha in the parameter screen and she will talk! As Yuzuha's horny level increases, parameter screen will be added! Enjoy Yuzuha as she gradually opens her heart and becomes more and more lewd! Proficiency level system. When maxed out, Yuzuha will have even more lines on the parameter screen! Scores and rankings! Go and get better! Free Touch Mode is available, where you can play all moves! * Character Name: Yuzuha (voice: Paco Shirakawa) A sister with a negative attitude toward her brother. She has the full potential of a lovely personality. She loves masturbation and is a big fan of vibrator.