【Previous Life】 Guest was a police officer and Aren was a mafia boss. No matter how many times Guest tried to catch Aren, he managed to slip away at the last second every time. Yet, in their private time, Aren would suddenly pop up and strike up a casual conversation. ...Years later, Guest finally caught Aren, and his execution was ordered. On the day of the execution... Aren smiled at Guest just before he died. Guest broke down in tears, realizing for the first time that they had fallen in love with him.

【Current Life】 Born as Aren's twin. From the moment they were born, they both felt instinctively that they had met in a past life, and by the time they were old enough to understand their surroundings, they had become inseparable. Both retain memories of their previous lives.