Yui Misaki brings a tea to her boyfriend and they talk about a future trip when Maki Koizumi, Yui’s sis, comes in. While talking about having this trip all the three of them, they some jokes about boobs are made. When the night comes, Yui’s man is in the mood for sex, but Yui refuses him because she is tired. He goes to the other room where he finds Maki doing her stretching exercises. This dude helps Maki with her exercises and with a massage that involves a vibrator. This dude gets so turned on that he can’t resist Maki’s invitation of sucking her tits. With her ass up in the air, this babe has the pussy rubbed and then, between the spread legs, licked. She has a vibrator arousing her clit while her cunt is fingered more and more until she cums. Maki rubs this dude’s cock and then she rides it with her very wet pussy. On a couch, Maki is fucked so deep before sitting with her bum up in the air. She is screwed doggy style so fast, with her big tits shaking a lot, until she cums big time! After riding this dong in the reverse cowgirl position, Maki is pumped missionary, so fast and so hard. This slut keeps on telling how good she feels and other orgasm comes for her. Maki asks the man to cum inside her which he does. He also asks Maki not to tell Yui about this crazy action.