MTL - Holistic Fantasy - ~ 2132 Attack on the Devil's Forest

An immortal cultivator is murdered by her master and finds herself reborn in the strange world of One Piece. She hardens her resolve to once more tread the path of cultivation, only to find it won't be as easy as she thought.

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!

He was very happy to be reborn, but why was he sixteen again, he can’t bear to look back at that time.

Why does he return to being sixteen years old, yet still meet Doomsday?

It’s alright to encounter the end of the world, so why did he have to fall in love with someone?

Even if he falls in love with another person, why did it have to be a man?

Falling in love with a man is also alright, so why did it need to be a secret one-sided love?

Even a secret and unrequited love is alright, so why is that man his….

- Description from Novelupdates

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy