It's Not Easy Being Your Love Rival's Big Brother - Chapter 1

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

[Host: Female][Daily Sign-In System: Rewards Guaranteed!][Miss a day? No problem—your monthly bonus will be even bigger!]In the mysterious world of Elarion, danger hides behind beauty, our protagonist goes to academy but in mid way she get attacked and another world soul come to take her place, but because of soul own system mistake the soul died and our protagonist got system,she has realize she will die and she did not wanted that, with her system she although live but later another more extreme things happen to her, now she cant enter her own world for years, gods decided to seal it but reason nobody in Elarion know,But there's one problem: our protagonist has the lowest magical talent of all.Armed only with her wits, determination, and a mysterious Sign-In System that grants her daily rewards, can she defy fate, rise through the ranks, and uncover the secrets buried deep within Gorvanna?but there is a twist, she has attracted obsessive's vampires now she had yandere Vampire woman's who are obsessed with her,Warning (her first love will appear after chap 35+)

“Lin Yi, I'm pregnant...”“Oh my God, triplets?”Lin Yi was immersed in boundless shock.“Ding! The Good Father System is officially activated!”“Newbie reward: A 400 square meter luxury villa in the city!”“Be nicer to your wife and children, and you'll have more chances to trigger rewards, oh!”Lin Yi was ecstatic.“Xue Mei, let's get married!”

Her step-sister just died three months ago. Now, she insists on marrying Chu Lui, who is supposed to be her future brother-in-law, the mind behind the Chu Enterprise. The world is sure that she, the new bride-to-be, had caused her step-sister’s death in order to seduce him.