MTL - Lord of the Magical Beasts - ~ Leave for 1 day

He Lang died by his own hands for the sake of his imperial younger brother’s ambition, whom he loved. He was offered to be reborn in exchange for giving up his past romantic feelings. Reborn without the burden of his romantic feelings, he brings with him a manual to new worlds. He wholeheartedly followed the instructions of the manual to complete the tasks, not knowing that the originally slag gong was blackening…
He pleaded to his affectionate Emperor brother to release him, he pleaded to the paranoid prisoner next door, but until the end he remained baffled.
In the end, he discovered that the full name of the manual was – “Slag Shou Cultivating Manual”
Σ (っ ° ° °;) っ!

- Description from Novelupdates

I became a professor in a game by accident. To make matters worse, I even messed up the difficulty settings. Now, I’m stuck playing on Hell Mode. A world on the brink of war with the Demon King. An Assassin Department where mu*der is legal… as long as you aren’t caught. I thought I’d have to claw my way through just to survive in this wretched place, and that was the case at first. But nowadays… “No matter how hard I try, I can’t be like you, Professor… How do you do it?” “Please… become our god.” “What do you know? What is it you know? Why do you make me want to live…?” One by one, everyone at the academy began to obsess over me.

The anticipated engagement party turns into a broken engagement announcement and a notice of expulsion from the house.In one day, Anna lost everything.She accidentally activated a space and took the business’ supplies for revenge.But who would have thought that natural disasters will come?The world is changing and resources become scarce.So, the style of painting changed.When other people are scrambling to find something to eat, Anna was still cooking at home.When other people are fighting for food, Anna was lying on her bed while snacking her favorite chips.When other people are working hard to get some water, Anna was lying on her bathtub comfortably.The relatives came to the door for help.Anna only looked at them coldly and spat out, “Scram!”Her ex fiancé also came, asking for reconciliation and love.Her new man kicked him out of the door and slammed it shut. He then looked at Anna with a pitiful look. “Wife, do you not want me anymore? I'm easy to raise.”Anna looked at the puppy like man and pulled him closer with a smile on her face.It was only later she realized that the puppy is actually a big bad wolf...But the goods couldn’t be returned!

When I woke up after a pretty crappy death, what greeted me was one of those famous fantasy worlds! I didn’t expect anything like becoming the strongest with a common job, or rising to the top with the weakest class…