They Want to Play the Comeback Role [Quick Transmigration]

[Genre decided, title and blurb to be revised] One day, the villains and cannon fodder woke up. Unwilling to accept their miserable failures, they wanted to take the comeback route. ...And ended up winning over the protagonists? [Please note before reading]: 1. Strong characters, top-focused, with independent protagonists in each world. 2. My logic and writing skills are limited, but I'll do my best. 3. I want to try a type of story I haven't written before. The protagonists aren't good people, and each has their own flaws. Read with caution if that bothers you. Theme: Failure is the final test before victory, and perseverance can overcome fate.