Hawt's feed

Looking for this thing ive read like a long time ago about a guy that was i think isekaid into a world and then he was like looking for like a slave bodyguard mercenary and got the free one because he's broke there and yk it took care of him and stuff but the mercenary had a backstory where he used to be someone else's mercenary i think??? Anyways pls help me find it its been scratching the back of my head for so long btw i think its chinese manhua or maybe its js the artstyle idk