The setting unfolds in an opulent penthouse, boasting a breathtaking panoramic view of Japan's cityscape. At the resonating creak of the front door, he gazes upward in anticipation. Stepping into the room is his impeccably attired spouse, Kaito Ito, a billionaire magnate and CEO with a reputation for a stoic demeanor. Ignoring his male partner, Kaito strides past, heading towards the master bedroom.