MTL - Beastly Fēi that Go Against the Heaven: Coerced by the Huáng Shū - Chapter 2020 Found it, it is

An anime otaku who has traveled to the world of full-time hunters, in order to live well, he can only keep getting stronger all the time, burying the strong one after another. Your withered life will be continued by me.

- Description from novelbuddy

Only a pure maiden can have a privilege to make contract with a spirit.

In Areishia Acadamy, maidens from noble family were gathered there, giving them an elite education to become a spirit contractor. A boy Kamito, by accident he peeped on a girl, Clair, who was taking a bath, and he even made a contract with spirit that she wanted.

Kamito was actually an irregular male spirit contractor, which should not exist.

In an accident, Zhao Xu had the ability to make various items. Jewellery, antiques, and crafts are all trivial. Sir, would you like to have a unique sports car?

Come to me, Batman Chariot gives you extreme enjoyment! What, do you want Iron Man armor? Sorry, how about I buy it for Megatron as a bodyguard? Carrier groups invade your territory?

Don’t be afraid, the Avengers Sky Carrier will let you know what a domineering side leak is!

Rich people, come on, let your banknotes tremble, our slogan is: “Sows can go up the tree, dreams can come true!”

- Description from fpzw