The big star simply traveled through time and became the male supporting actor in the script of the TV series he starred in. From then on, he lived a happy life dodging the overt swords of the female protagonist and the secret arrows of the overbearing prince male protagonist. Hostess, please turn right when you go out and close the door by the way. And, vicious hostess, can you stop following me? I'm just cannon fodder, there's no future for anyone who follows me.
Concept: Everyone is the protagonist of their own life