It wasn't bad. Finished it one day. Lacking some deeper relationship with friends and even skeleton soldiers. That was the only thing missing for me. I know in the end he technically trusted his allies, bought Lee Jin-Ah food, but he should've done more.
If you read ch 13 after ch 18, at the end, Taekmu says Yulmu (the dog) recognizes Jejin and that Jejin seems to have forgotten everything