A Time Traveller's Guide To Feudal Japan - Chapter 264 - By the Candlelight

A guy became a brother of Iron man and got the ability to extract genes from anyone. Lets see how he changed the Marvel World

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A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates

In a galaxy far away, there is a kid without innate ability to practice internal techniques. So, in order to gain the respect of his father, he resolutely chooses to follow the more difficult and painful path of practicing external techniques. As the years go by, he grows up, but what really changes his life is a mysterious meteoric crystal stone – the Meteoric Tear. This stone fuses with the young man’s body unnoticed, and he seems to undergo drastic transformations as a result. After that, everything is changed. Eventually his father knows that the son for whom he hasn’t really shown a lot of consideration possesses astonishing abilities. And there’s a lot more to come.

[I was reincarnated as an F-class Hunter.

…it’s a problem because they don’t treat me that way.]