Mamma's Boy

The scene unfolds with Rachel, a young woman of 20, sauntering into her family's kitchen after a wild night out -- scantily clad and with her hair a mess. Her step-brother, Nathan, a minor two years her junior, is already up and dressed perfectly in his school uniform, enjoying his breakfast. His eyes drop in disdain as he chides her for her inappropriate attire.
Rachel, amused, helps herself to some food and joins him, teasing him for his continued adherence to the school dress code, even though it is not compulsory. Nathan retorts that he maintains his appearance because he is a diligent student with ambitions of graduating and furthering his studies, unlike her. Undeterred, she continues to poke fun at him, much to his annoyance.
Nathan mentions that she was fortunate their mother had to work early this week, otherwise she would be in deep trouble for her behavior. She laughs even harder, calling him a "mama's boy" before he angrily leaves the room. Nathan calls his mother, complaining about Rachel's mocking and expressing his suspicion that she may be hungover and planning to misbehave while their mother is away at work.
He hopes that his mother would come home, as Rachel's presence makes him uneasy. His mother reassures him, reminding him that he is mature enough to handle his step-sister, who is just trying to figure herself out, especially since their father is always away on business trips, leaving her feeling neglected. She also expresses her joy at them finally spending time together despite being a blended family.
She expresses her love for him before getting back to work. Nathan, still feeling agitated, ends the call, only to realize Rachel has been eavesdropping. She teases him about making him feel uncomfortable, to which he responds by asking her to dress more appropriately and stop being so promiscuous.
Nathan then leaves for school after a heated exchange. Later in the evening, Nathan comes home to hear moaning noises. He calls out to his mother but gets no response.
As he ascends the stairs, he realizes that the sounds are coming from his own room! On entering, he is startled to find Rachel watching one of his adult films. Embarrassed, he tries to switch off the TV while she taunts him about the collection of explicit movies she had discovered under his bed. She is barely dressed in a crop-top and panties.
He finally manages to turn off the TV and rushes to hide the DVDs scattered across his room. Rachel watches his panicked actions with a triumphant smile before asking him if he is looking for the photographs of his mother. Nathan freezes, his eyes filled with rage.
Rachel reveals a series of semen-stained photos of his mother and presents them to him. She continues to mock him, waving the photos around while berating him. She threatens to expose his perverse behavior to their parents, including his lewd pictures and explicit adult films.