Jing Lan signed up for a system - the Scumbag Transformation Teaching System.
As the name suggests, the real scum/fake scumbag men who are drawn by the world line are to change their minds and start a new life.
He wants to conduct transformational teaching in all aspects and from multiple angles.
So the premise of the mission: the male protagonist must become a scumbag.
Mission result: Make the scumbag male protagonist regret looking back.
Jing Lan: It's really a drama system and drama mission.
The first world: the prince of the mermaid's neighbor