MTL - Crossing the Zerg Doting Wife Unlimited - Chapter 8 8th

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

- Description from Novelupdates

The Assertive Female Lead VS The Super Strong Male Lead

Following an untimely death, Kin is reborn in a world completely different from our own. A world of Magic, Monsters, and fearsome Beasts.‘No way…’ Kin thought to himself upon noticing his skin color.He had been Reborn on the other side, on the Monster side, as a Goblin.‘Am I going to have to leave my life in this cave? Surrounded by other Goblins?’Thankfully, he wasn’t just any normal Goblin.[System initializing…][Congratulations!][You have been Blessed with an SSS-Rank Skill!][You have been Blessed with the SSS-Rank Skill “Palm of the Devourer”!][You have been Blessed with a Legendary-Grade Title!][You have been Blessed with the Legendary-Grade Title “Evolving Monster”!]With a palm that can devour, absorb, and assimilate dead creatures, the Rise of the Evolving Monster starts!‘The Goblins that left earlier are back. They captured a woman. Wait… Those ears… And a tail?’A life of blood-pumping adventure, unimaginable riches, unmatched strength, and heavenly beauties starts!