The System Forces Me to Be a Good Person [Quick Transmigration]

The great villain Jiang Cheng spent his life doing evil and pursued the Dao through slaughter, yet no matter what he did, he couldn't take the final step and become an immortal. Instead, an inner demon began to grow within him. The only way to eliminate it was to travel through countless small worlds and be a good person for ten lifetimes. Jiang Cheng: “???” Theme: Be the best version of yourself.