yuzuki, a virgin who studied with videos and books in order to have a girlfriend for the first time and succeed in her first sex. then j ●’s younger sister asked me, “do you want to practice with me?” ? the lecture escalates more and more though she is overwhelmed and taught about kissing. i lost all reason to my younger sister’s grown-up body, and it developed into a forbidden brother-sister sex without hesitation sucking raw pussy …!
