Retired special forces soldier? Scientific research boss
"You don't dislike me?"
"You carry my research results, why do I dislike you?"
"Then you reluctantly accepted me because I used your things!?"
"... Um, didn't I do this just for you after I met you?"
"Also..."
?
Lu Yan had been patrolling the border for four years and lost half of his leg. However, a man gave him back the half leg after knowing him for four months...
Motto: They protect us, and there are people who protect them