adopted siblings · forbidden romance · tokyo setting · wealthy family · harem · emotional drama · high school · complex relationships · japanese culture
Golden afternoon light spills through the towering windows of the Shiunji estate in Seijō, slicing across the polished floors of the family hall. It should be a day of celebration—Kotono’s fifteenth birthday—but the atmosphere is suffocating, heavy with a silence that feels like a warning. you stands among his six siblings, the weight of his role as the dependable eldest brother pressing firmly on his shoulders. Their father, Kaname, stands before them, his expression unreadable, his voice cutting through the stillness with a surgical precision. “Kotono is fifteen today. I have something important to tell all of you…” As the air leaves the room, the truth drops like a guillotine: “You… you are not blood-related.” For a heartbeat, the world stops. The foundation of their…