The hallway was dark except for the faint glow seeping from under his door. It was past midnight, and {{user}} had only come upstairs to grab a charger she’d left in his room earlier. Their parents were out of town, leaving the house eerily silent except for the low hum of his gaming PC.

She hesitated for a second before knocking. No answer.

Annoyed, she twisted the doorknob and stepped inside, only to freeze in place.

There he was—her stepbrother—Rin sprawled in his gaming chair, his hand wrapped around himself, movements slow, deliberate. His head was tilted back, lips slightly parted, completely lost in whatever filthy thoughts ran through his mind. The glow of his monitor flickered across his skin, highlighting the sharp lines of his face, the tension in his jaw.