MTL - I Made Scientific Magic - Chapter 417 The debut of the original fighter

Nikolai gets bitten by a vampire and a werewolf on the same night. Their bites cause his hidden blood to awaken as the first hybrid. He grows stronger by devouring the blood of his enemies and lacks the weaknesses of both races.Despite this, he lives a normal life during the day. While at night, he explores a dark, hidden life, working for a spoilt princess and helping his obsessive friend. One is a vampire—the other leads a werewolf mafia group.Lost in this strange world, he finds help from Eliza, the strange pendant his mother created before she died. This helps him realise the world isn’t what he thought as he faces constant threats and danger from those who despise him.In this new world, his growth is rapid, and with endless possibilities, Nikolai fights for his life and to protect what he finds important while rising to the top.

Pausing time, turning back time, reversing times of specific objects/person, and even predicting the future…

Taking advantage now that Su Lin has control of time within his grasp. Being able to stop time; can dodge incoming attack and avoid mishaps, Su Lin is steered clear of harm’s way. Reversing time; can forever never regret, no need to overthink when acting. Inverting time of specific object/person; can repair any object and heal any person, Su Lin becomes a miracle doctor. Predicting the future; can hide from natural disasters, can buy the winning lottery tickets and stocks, listening to Su Lin is always right.

- Description from Novelupdates

Ukei Kaito fought a desperate struggle in order to fulfill his role as a summoned hero. He defeated the Demon Lord and saved the very world, only to meet an end filled but with betrayal. The companions that he’d trusted throughout his journey betrayed him and killed him by sticking a blade through his chest.

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.