Katahane no Riku - Chapter 6.If only it was a dream

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

Reborn in 2004, facing the age where pigs can be blown up, Lin Xuan, carrying the “Strongest Cottage King System”, started galloping…

- Description from novelbuddy

Keita Sumeragi was a man of dreams—once a hopeful mangaka who poured his soul into heartfelt tales of romance, comedy, and friendship. But the world never smiled back. Readers ignored him. Publishers laughed. And when the only offer he got was to draw the one thing he hated—NTR (Netorare)—he refused.Until life left him no choice.His wife walked out. His daughter starved. And when his first NTR manuscript was complete, the publisher gave the job to someone else.Broken, guilty, and hollow, Keita leapt from the rooftop with a bitter smile—Only to awaken in the world of his own rejected NTR manga.In this twisted realm, he’s reborn as the main protagonist—handsome, popular, and surrounded by women with all-too-familiar faces. His sweet and kind “motherly” wife resembles the wife who left him. His seductive stepsister has the same eyes as his daughter once did.In this warped erotic hell, where anyone can be seduced—teachers, aunts, even grandmothers—Keita must face his deepest guilt, his darkest fantasies, and the genre he once despised.Because in this world, NTR is fate.And the story must go on.

“Why is it that Emiya keeps showing up everywhere? Can you please stop summoning me already?!”The outlier of the countless Emiya, the last of the Knights of the Round Table, the conscience of Chaldea, the wielder of the Third Magic, King of the Lostbelt, the man Alaya can never have, and the sis-con deity: Emiya Sakatsuki.***When Shirou Emiya, in the dungeons of Ainsworth Castle, summoned a soul from another world, the young man holding the Fate Compendium began his journey.He started his journey in the world of Fate/Zero; on a planet where the Root has dried up; a Holy Grail War involving fourteen Heroic Spirits; the Grand Order set in motion to save humanity…Keep going like this, a traveller from another land—Until the moment the loop of fate closes.“I just want to chill at home like Merlin! If this keeps up, I'm going to end up split into countless pieces sooner or later!”“Aren't you already split into pieces now, Onii-chan?!”