Manga by author Argon 18 - Status ongoing

"...If he doesn't receive guiding, that child will die."The war hero and S-class guide Kang Hajung, whose body is covered in scars. His plans for his long-awaited retirement go down the drain, and to make matters worse, he becomes the guide of the much younger Kim Muhyeok. One day, while on a mission, he is killed by an unidentified esper. As he laments not retiring before his death, he wakes up to find himself in the body of a complete stranger, and even more surprisingly, in the body of a D-rank guide who shares his name"Now that it's come to this, I'm going to retire before anyone finds out."+

Baek-han, who hates male guides, and Chi-young, who has a crush on Baek-han, he rescued him from the rebels. Even though their feelings are at odds with each other, the two of them become imprinted through simple physical contact. It was an imprint like an accident. Baek Han, angry at the forced engraving against his will, abandons Chiyoung and goes on a military deployment, and Chiyoung becomes an abandoned guide in an instant. Five years later, just when I decided to end everything, Baekhan comes back. But has his attitude changed from before? Every time I have skinship with Chiyoung, I start to gag and become a nuisance.