Poison Lord Dad Teaches You How to Behave

The moment the sword pierced his chest, Jiang Zhi thought his life had come to an end. But when he awoke, a bizarre System had appeared in his head, insisting he uphold justice and teach trash a lesson.

Jiang Zhi: I thought I was upholding justice. Never in a million years did I expect to find myself a partner, too.

Theme: Upholding justice is a great way to find a partner.