MIDA-689 My older sister, who's at the top of the social hierarchy, takes revenge on me (her younger brother) by giving me a blowjob, fucking me, and even cumming inside me for 15 ejaculations in this over-the-top slut training session - Rikka Ono

Rikka, the older sister who was supposed to be perfect, has been dumped due to her lack of technique and has returned home! Her pride shattered, she takes out her frustration on her socially awkward, lonely younger brother's dick! From there, she throws all reason aside and begins a 24-hour obsessive training session. First thing in the morning, she latches onto his crotch, demanding to borrow his dick, and sucks it mercilessly, from cleaning blowjobs to ball licking, making vulgar noises! She even rapes her sleeping brother at night and performs a reverse sleep rape on him! What started as practice quickly turns into her becoming addicted to her brother's dick, and she transforms into a seductive woman who tempts him...!? Finally, she finishes with a barrage of cumshots without pulling out! A depraved, relentless training session for slutty women!