MTL - Marvel: Start with Level Five Mutants - Chapter 429 Messiah's Omega Level Powers

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.

With the Legendary Mechanic System, I transmigrated to Marvel Universe to be Dr. Zola’s assistant.

With Mechanical Force Analysis, I can learn every black technology.

Winter Soldier’s arm? I built a better one for you.

Iron Man’s armor? I already made it a decade earlier.

Doc Ock’s tentacles? I am the one who provided core technology.

Hulk’s mutation? Sorry, I was there and got hit by the radiation too.

As for a certain purple potato, can he collect all Infinity Stones?

……

However, I only had one simple ultimate dream. That is to go home…

- Description from Novelupdates

This is the story of Lara, a young woman from modern times, raised with one singular purpose: to exact revenge on the family of the general who destroyed her own.But fate had other plans. On her way to carry out her mission of vengeance, a twist in the plan led to disaster. Lara was struck by a military truck escorting the very general she intended to assassinate.When she awoke, she found herself in an entirely different world—one where her identity and purpose were starkly different from the life she had known and how she had been molded to be.Abducted by human traffickers, she outsmarted them and escaped. Then, she encountered a mysterious martial arts master whose ancient skills far surpassed her own. For two years, she trained with him in the remote mountains. One fateful day, while hunting deep in Mount Ourea, Lara stumbled upon the Prince of Northem, disguised as a commoner. He was gravely injured while pursuing a notorious group of bandits. Lara saved him then vanished without a trace.Haunted by his savior, the Prince of Northem searched for her but to no avail. Duty called, and he rejoined the Northem army, embroiled in a fierce battle against the bandits and soldiers of Estalis in the Alta-Sierra mountain range.Amid the chaos, Lara was mistakenly swept onto the battlefield, disguised as a soldier. The Prince of Northem, intrigued by the disguised warrior, recruited him as his guard.During the battle, fate played another cruel hand. Lara came face to face with General Odin and his two sons—only to discover that General Odin was the spitting image of the general she had been trained to assassinate. Could the man from her world be a descendant of this brave general?Torn between her mission and her newfound reality, Lara faced an impossible question: How could she kill her biological father?Her internal conflict deepened when she uncovered an elaborate plot to frame General Odin and his sons as traitors. The true culprits? His own subordinates and trusted allies.In an ironic twist of fate, Lara found herself becoming the 'protector' of the family that, in modern times, she was supposed to ruin.After the war, Lara returned as a hero, ready to reveal her identity to General Odin, but she learned of another betrayal. Her cousin, Mira—the orchestrator of her abduction—had taken over her identity. Mira lived in her home under the guise of comforting Lara's grief-stricken mother because of the death of her only daughter. Not only that, she also did a lot of scheming and eventually claimed Lara's betrothal to Prince Alaric.With her identity stolen and her mission turned upside down, Lara faced a new challenge: reclaiming her life and honor and protecting her new family.

Offered as a bride to Hades at the age of eighteen.

Pestered by evil spirits in the day, and taken advantage of by a perverted demon at night.

Pervert: “Dear, a night with you is worth more than gold.”

I leaned away as I clenched my teeth angrily: “Worth my foot!”

- Description from Novelupdates