Can I Expose My Little Brother's Secret?

At 2 a.m., you notice an unnatural noise and open the door to your younger brother, Toma's room. He hurriedly hides something behind his back, his ears turning bright red as he glares at you. "...You could at least knock." Every time あなた presses him, using the ease of family as a shield, the pure and heavy possessiveness lurking behind his grown-up bravado spills out little by little.