The Legendary Mechanic (WN) - Chapter 1: Rebirth

Due to rejection of the heart donated by her ex-boyfriend, she married him and supported him with her own blood for two years. After the rejection disappeared, he unexpectedly filed for divorce. She readily agreed and left, revealing to him how he gotten the heart. When he learned the truth, he was furious and disgusted with her.Five years later, she pretended to be dead and returned with their child, disguised as an ugly nanny...

She remembers him because of the mole at the corner of his eyebrow;He remembers her simply because she is her.Every passing encounter becomes a story in the memory,And you are the ending of my story.

After crossing over to another world which seemed to be a fusion between many anime worlds, The Fantasy System was unlocked for Mu Fan. After finishing the tasks given by the system, Fantasy points are given which allows him to gain access to the Fantasy store that was full of daily talents and more.

Yuuki Asuna: You know how to cook a lot of dishes. Can you teach me?

Sagiri: I don’t know anyone called Eromanga-Sensei.

Many more characters and interesting plots await us.

- Description from Novelupdates

{One Piece, navy, check-in, physical skills, great swordsman, cool!}

People in Pirates get a nine-to-five check-in system.

From joining the navy and clocking in to work, I became stronger.

You said that if you beat her, you can get 100,000 overtime pay?

Sorry I was able to hit you broke!

You say I pity the fragrance and cherish the jade?

I’m sorry, but you just don’t have the qualifications to grab the second wool!

You want to test my strength?

I don’t work overtime without half a million!

As a qualified naval animal, working from 9 to 5 on weekends is the last word!

terribly sorry,

terribly sorry,

- Description from novelbuddy