Summoned with an SSS-Rank Portal Skill - Chapter 251: Rewind

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

When he opened his eyes he found that he had been reborn as an extra in a novel, which he finished reading yesterday. On top of that, he has become a student of the same battle academy, where the main plot will happen. Let's accompany Rio on his journey and find out where it leads us.“i will steal protagonists chances, as for what will happen to main plot if i do so? i don't care!” (Rio)*The book cover doesn't belongs to me if someone wants me to take it down please contact me directly.*(MC is selfish and cares most about himself, rather than following the main story he will follow his own will. and there's no harem too.so, if you like a hero of justice and a plot following type mc with a harem or something then this is not your cup of tea.)

“Beast Forge? What the hell is that?”He thought while walking out of the alley. The streets were almost empty, with only the homeless wandering around, picking up anything valuable that was dropped. He walked over to join them, still thinking he needed to do this to survive. But as he bent down, a black screen appeared in front of him, with white text displayed on it.[Beast Forge system activatedUser successfully registeredScanning user... doneUser has not awakened, cannot use Beast Forge.Analyzing for possible solutions.... doneMission: Run 10 km before 00:00Reward: Force awakeningFailure: Loss of the Beast Forge systemWill you accept this mission: YES/NO]

One day, the majority of humanity had a collective thought.

‘I wish the world would just collapse.’

And then, that wish came true.