When other people are reborn through time travel, they are either doing successful business or becoming a big boss in some field, but he seems to be just a bastard waiting to die?
Traveling back to the 1970s, as a supporting character who the heroine wanted to kill in two lifetimes, he lived a plain and warm life. He was born invisible in the heroine's world. It seemed that this was not bad.
Purpose: People must be self-aware and learn to be content