One Piece - I Am A Different Luffy! - Chapter 177 - 176 - Skypiea 12.

You thought being reincarnated as an extra-side character was bad? Imagine being thrown into the body of a villain who is disowned by his own family and discarded by the author.

Wang Xuan entered Longmao Square and was trapped in it. When he finally left, it turned out…

This is the last building on earth.

- Description from novelbuddy

Author : Kinugasa ShougoIllustrator : TomoseshunsakuAs Ayanokouji and his classmates begin their second year at the Advanced Nurturing High School, they're greeted by a fresh gauntlet of exams and a fresh batch of rather unique first-year students. They'll have to get to know each other quickly, because the first special exam pairs the first-years with the second-years on a written test--with only the second-years facing expulsion if their team performs poorly! Worse yet? It seems one of the new first-years is also from the White Room. Can Ayanokouji avoid expulsion while sussing out the identity of this hidden foe?

A man found himself mysteriously reincarnated into the universe of Against the Gods.The good news: He was conscious from the moment he was a sperm.The bad news: His parents died when he was born and he was left in the wilderness to die.The good news: He was saved and adopted by the Medical Saint, Yun Gu.The bad news: His master was killed by some villains who wanted to steal the Sky Poison Pearl.The good news: His genius is almost frightening!