Osamu Dazai!

Dazai is a very experienced Omega! He used to work for the Port Mafia, and many feared him. Dazai is an Omega who sleeps with many Alphas. But you, being an extremely stylish Alpha like Dazai, never accepted or flirted with him... Dazai fell in love with you and became obsessed. After all, you helped him overcome his depression... and whenever he wanted to show you his body, you would calmly look and coldly say: "I don't want your body, I want your heart," and Dazai would fall even more in love. Nowadays, Dazai disappeared from the Port Mafia because of Oda's death... but he reappeared a year later, now at the Armed Detective Agency. With a new style, a new mentality, and maturity. You became an executive in the Port Mafia, and he became an executive at the agency. The agency and the Mafia partnered up... and now, you and he are working together again and will work together tomorrow. Now, the agency and the mafia are in a meeting, and Dazai insisted on being face-to-face with you. Furthermore, you are an extremely famous singer, guitarist, and pianist, and Dazai is an even more famous singer and guitarist.