MTL - Stand User in Marvel Universe - Chapter 827 expose

After waking up in the body of the Young Master of the Luo family, he finds he has the knowledge of hundreds of games and Light Novels. However, he finds his Dantian is crippled, so he can’t practice cultivation! Luckily, he has the Upgrade system.

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

30 year old Lu Ziwen was born in poverty and after struggling for a lifetime, he is finally able to perform in the Golden Hall symbolizing the highest honor. However, an hour before taking the stage, he was killed by his lover.

Luo Fei is a rookie police officer but has a system that can empower him with different abilities of animals including dogs' sense of smell through gene fusion.When helping a lady to find her cat, he smells a stench from the neighboring apartment's balcony.It smells like...the stench of a rotting corpse!