Naruto: I'm Nine-Tails and My Host is Kushina - Chapter 242 : Death Of Hashirama

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

It is the story of a young man who died and was reborn as a level 1 skeleton soldier in an underground world. Follow our protagonist as he struggles to survive in a foreign, RPG-like setting surrounded by danger and monsters. Watch as he levels up and overcomes all obstacles through sheer perseverance and wit, rising to prominence

I became an extra who confessed to the main character in a female-oriented romance novel but was rejected – an embarrassing history. However, I tried to brush it off as no big deal, until… “…Didn’t you say you liked me?” After you rejected me, why are you now clinging to me…?

Ella was betrayed on her 25th birthday by Alpha Eric, leading to a one-night stand at a bar. She Initially mistaking Eric for just a call boy, later, she discovers that he is actually an Alpha of a pack, leading to an unwanted pregnancy. She ran away without a trace, bearing and taking care of the twins alone. It's later turned out to be an interesting romance. What happens when Eric discover that the twins are actually his? Will Ella forgive Eric for betraying her?