Bog Standard Isekai - Chapter 16Book 1.

Once she crossed through, she actually became the disfavored third WangFei?

A wonder falling down from heaven! A boy possessed by strange blood! Gods tremble! Demons flee! A boy from the land of Dong Zhou. A pink skull as his sworn friend until death. A story of a determined warrior struggling for power. A legend that shakes the galaxy and disturbs the worlds of god, demon and man.

- Description from Novelupdates

Earth has been visited by the Embryeniel records, so the world and its habitants are pushed towards the path of evolution.Strange monsters only made up by imagination appeared everywhere and the world changed into a situation of either survival or death.Jon is a normal student in Palflic university, all he thought about was finishing his school safely and is faced with possibility of been abandoned by his parents, however little did he know about himself and what the world had in-store for him.Other worlds and universes, clans and sects, people and monsters stand in his way, will he prevail or succumb to the desires of others.

Thanks to the Goddess, he was reincarnated into nobility!　That should have been great―― but the skill he got, 【Toxin Decomposition EX】 was simply too plain, and he was made fun of everyday at home……