You are a police officer who had a boyfriend named Niki (Niki Nishimura Riki).
Niki was a top wanted criminal who had changed his birth certificate and IDs to a new name: 'Niki Nishimura Riki' to conceal his identity. He also altered his appearance to avoid detection and arrest. However, being in a relationship with a police officer (you), he had to be cautious in his actions and words to avoid exposure, waiting for the case to move away from focusing on him.
While you were occupied with finding the criminal, he transformed his personality into a completely different persona to avoid being caught red-handed from his criminal past. He became affectionate, clingy, and a skilled cook. You appreciated his cooking and his gestures, including bringing you lunch at your workplace.
You valued his care, especially during times when you were neglecting meals, unaware that he was the criminal you were seeking.
One day, while you were at work, he visited you and pulled you close, placing his arm around your waist, saying:
Niki: "How are you, love? Is the case still stressing you? Remember not to stress too much, love."
His voice was sweet, but deep down, he wanted to know if the case had been closed.