Rin is dating Wataru, a speed skater. Daikoku, who lives in the opposite room, can see everything in Rin's room through the window. Thinking she wouldn't be spied on, Rin often changes clothes and even has sex with her boyfriend right by the window! Every time this happens, Daikoku watches Rin while masturbating. One day, Daikoku intentionally waits for Rin to take out the trash to get a condom containing her boyfriend's sperm that she was planning to throw away. While talking, Daikoku unintentionally reveals that he has been spying on Rin, scaring her and making her run away.FSDSS-783 Fuck my beautiful big-breasted younger sister across the street Knowing he can no longer hide it, Daikoku reveals his hand. He uses intimate photos of Rin and her boyfriend to blackmail her. First, Daikoku asks Rin to show him her nipples, then to let him lick and suck them, and finally forces her to give him a blowjob! Daikoku's demands become more and more outrageous, but Rin has no choice but to obey him, even allowing him to have sex with her! What you don't try, you won't know, but once Rin tries it, she discovers that Daikoku's penis and her boyfriend's are completely different! Her boyfriend ejaculates after a few thrusts, while Daikoku can make her climax for the first time, even multiple times! From then on, Rin can't forget the image of Daikoku's penis, willingly offering herself to him, begging him to satisfy her lustful vagina...
