Weapons of Mass Destruction - Chapter 540: Matter of national security

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

I, the protagonist, was just an ordinary NEET, but suddenly I was reincarnated as a tiny white snake in a fantasy world where legendary creatures and gods exist. Not only that, but I awakened in a cave as the offspring of a terrifying Medusa Serpent.Armed with only my human knowledge and my indomitable mental strength, I'm forced to use cunning tactics and rapidly evolving skills to survive against far stronger monsters and humans... So begins the survival story of a former shut-in with incredible willpower, living as one of the lowest-ranked beasts in a world of magic!ᆖMusic suddenly started playing in my head.I'd been waiting for this moment for so long.'Snakes! Assemble'....

“I have repeatedly emphasized that the atmosphere in the world of cultivating immortals is inherently crooked. I didn’t bring it crooked. It is said that the history books are written by the victors, so why do people always frame me when I win?” Lu Yang Jianxian said in an interview with reporters. , expressing great anger.

the next day.

“I have repeatedly emphasized that the atmosphere in the world of cultivating immortals is caused by me.” Lu Yang Jianxian said in an interview with reporters, expressing his anger. ——”Xiu Xian Daily” reports for you.

- Description from novelbuddy

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates