After returning from the army, he originally wanted to go back to his hometown to take care of the family of his late comrade-in-arms, but instead he was assigned to be her bodyguard. He always maintained a serious and cautious attitude in front of her, while she disguised herself as a strong and dictatorial character. She made things difficult again and again, and he silently resolved them again and again. During her crisis, he weathered it with her. When he left, she declared forcefully: "I want you to be my bodyguard." Their hearts gradually got closer, he took off her disguise, and she healed the pain in his heart. . .