My Slayer System: Rise to Supremacy - Chapter 121 Did I make a mistake?

There is a kind of person in the world who is indifferent, cool, arrogant, and especially a bit petty. There is also a kind of person who is lazy, gentle, considerate, and even adeptly flirts with girls. When the male god completed a shocking 360 transformation from the former to the latter, Tang Xia’s first reaction was…is this a fantasy world?

- Description from Novelupdates

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.He panicked at the thought of the upcoming Nine-Tailed Demon Fox's attack , and the thought of Konoha getting destroyed left him in despair.Fortunately, while bound to Konoha, he can obtain templates of powerful characters.At the beginning, He got the Whitebeard template! Since it's the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit's ability and Haki.Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

In old times a boy named Luis had lost his parents at a very tender age, he never even got to know who his parents were. With his parents gone he had to be taken care of by his wicked aunt who hardly fed him once a day, in effort to get food Luis was adviced to steal by a strange book without minding the punishment of burning given to thieves. When Luis was caught he ran into the forest and the villagers including his aunt chased him down with torches.

“I think it's best I surrender now” Luis stopped running and was panting now.

“I think I can see him!” he heard the village blacksmith shout.

He took a little step backwards and down a hole he went.

“Noooooo!!!” Luis screamed as he went down the hole, the last thing he saw was a red glowing light and then it was lights out for him.

“What happened?” Luis groaned. “Where am I? And why is my body so cold” he said touching his arm

A screen appeard in front of him.

[ System revived ]

“What?”

That was where the true journey began.

Now the fate of mankind lies in his hands as he keeps completing tasks and quests to get stronger.

Luis keeps getting stronger but the question is:

Will he be able to stop Lucifer?

MC: Whoa there, hang on a sec! Don't say anything yet, let me first trick this stupid goddess into giving me more abilities!Some time later (and some psychological abuse)…Aqua: Okay, you win! Pick your skills! And fast!MC: Alright, check this out! I'm snagging〚World Traveling〛and〚Analyze and Copy〛! Sweet deal, right? Hahaha, I'm gonna be unstoppable!