The two cute younger brothers who were born from their father's remarriage are always rivals fighting over their 'older sister'! While Ken-chan is away, Dai-kun, who wants to monopolize his older sister, is making out in the kitchen. Ken-chan, who was supposed to have sex with his older sister, returns just before inserting into his sister's anus and is envious of Dai-kun, who is getting a blowjob from his sister. Unable to stand it, Dai-kun interrupts, and the two brothers who take turns getting blowjobs compete to fellatio his older sister's dick. Ken-kun finds his older sister masturbating in the morning when he wakes up. If it's just masturbating... When Ken-kun starts sucking his sister's dick, she begs for insertion, saying "Come inside my sister..." When he inserts it firmly to the base in the rear-facing position, his sister, in a trance, shakes her hips and wildly spins her throbbing dick! In the missionary position, she is thrust deep inside, repeatedly moaning and ejaculating a lot into her anus. Then, Dai-kun, who is frustrated, attacks his sister who is taking a shower! Dai-kun, who doesn't get much attention, forces a blowjob on her a little roughly, thrusting his glans deep into his sister's throat and ejaculating in her mouth! When he takes his sister to the room and cocksucks her from behind, his sister's congested anus is wide open. Dai-kun's desire for control is finally satisfied with his sister, who sticks out her tongue sloppily and orgasms after being creampied... Even so, the brothers continue to fight over their only sister under one roof. The older sister, who was worried about this, proposes that the two of them compete based on the angle of their dicks, but it seems that this time it calmed down with the three siblings having a gangbang (lol). The older sister, wearing sexy lingerie that is lewdly see-through, is having her nipples and dick played with by her younger brothers. The two younger brothers, who have become horny with their sister being held in a scissor hold and cumming like crazy, insert and combine with their throbbing dicks, making her cum like crazy! The sister, who is being thrust with a dick and also ejaculating herself with self-jacking, has her rationality collapse, covered in semen!!
