I have lost my memory and am bound to a system in a very cliché way.
——Um, the system is called "Self-cultivation of Supporting Characters"? ?
... Pseudo ending has been dropped
...
...
All in all, this is a story about supporting characters trying to steal the show or die.
Piece: The system's presence is extremely low, don't expect it to be of any help
Intention: Destiny is reversible