MTL - Full Marks Hidden Marriage - Chapter 5 Little Master found it.

This story is about love, revenge, the quest for power, and the right to exist.After being betrayed by his childhood crush and losing his loved ones to a human raid, Erik, a werewolf, ends up on another planet for seven years before he returns to a vastly changed, post-apocalyptic Earth.Originally a timid, unadventurous man, Erik has become far more dominant and assertive upon his return.Together with him comes his beloved but ruthless soul-bound partner and fairy, Elora, who wants Erik to rule and conquer with her by his side.Elora's presence alone makes Erik more powerful than others at this level, but will he find out what else makes him special?Follow them as they use the knowledge and strength they gained on Söl to navigate an Earth filled with magic, vampires, shapeshifters, and more.Along the way, Erik and Elora will meet a diverse cast of characters, some of whom Erik might have known in the past, and some he did not, but all with their own story and desires.Will Erik be able to take revenge for the betrayals of the past?And what else will he discover along the way?

Nicholas Marjan, known as Niels, was an Asian football-obsessed loner in the modern world. A master of FIFA Career Mode, addicted to YouTube tactics videos, and followed every twist of the transfer window like it was life or death, he lived the beautiful game from behind a screen.Until the day he died.And woke up in the late 2000s, in the body of a once-promising young player at a lower-league English club. A player whose career had been cut short by a brutal ACL injury. With his playing career over before it could truly begin, his second life offers no glory on the pitch.But Niels still has one weapon: his mind.Armed with future knowledge of football's evolution, and guided by a mysterious, almost cheat-like instinct for scouting raw talent, Niels steps into the world of coaching. As an assistant at a struggling lower-league club, he begins to reshape the team from within challenging outdated tactics, unearthing hidden gems, and reigniting hope in the dressing room.His methods are unorthodox. His instincts, uncanny. And soon, whispers about the “young coach with a gift” begin to spread.This isn’t the story of a player chasing glory. It’s about someone reborn to change the game from the sidelines. From forgotten training grounds to Europe’s biggest stages, Niels is on a mission,not just to win, but to rewrite what it means to lead.He once dreamed of lifting trophies as a player.Now, he'll do it as a coach.

“Wang Cheng, we need to practice more!”

“No, I want to guarantee eight hours of sleep every day.”

…

“Wang Cheng, it’s almost nine o’clock, and you’re late.”

“Didn’t you go to work at nine o’clock? It’s still a minute away. Where’s the punch card machine?”

…

“Wang Cheng, what variety show do you want to be on?”

“Is there a fishing variety show?”

- Description from novelbuddy

A fickle, decadent, wilful person going through life like it’s a game.

An experienced, logical mind that’s above feelings.

This was a relationship that had started off with “Carpe Diem”, but slowly turned into a bloodless, psychological battle. They shared a mutual distrust, but also mutual attraction. As they suspected and tested each other, challenging each other’s limits, they both fell into the enemy’s hands with their eyes wide open. Sentiments growing amidst ignorance, they finally, were caught in their own traps.

Winner takes all,

Loser stands small.

- Description from Novelupdates