Tsuki ga Michibiku Isekai Douchuu - Extra 37: Manga SS – Her a little later

Yang Feng somehow transmigrated into a different world and received a legacy of an ‘ancient high tech’ family, which does not directly raise his power, but gives him the technology to build things which are way more advanced than the seemingly medieval world.

Tibbers’ confession:

I am a shadow bear! An extremely powerful shadow bear! A shadow bear that is expected to become the king of shadow bears in the future!

I am arrogant in the shadow world! Bullying the male and the female! No one dares to oppose me! Because the bear or other creatures who opposed me are dead!

However, I never expected that I would fall into the hands of a two-year-old human girl!
It was a sunny afternoon…..Forget it, let’s not mention that day!

I was forced into a contract to become a teddy bear without bear rights! She named me Tibbers!

The one thing I want most now is: more unscrupulous creatures to provoke my master, so that I can often come out and let go…

- Description from MTL

First World : CampioneCurrent - Second World: High School DxDThird World: ???Reincarnated into the world of Campione! Haru Kasugano, our hero slays gods and ascends as the mightiest Godslayer. He battles powerful God-Kings and Campiones, claiming victory after victory. Whatever it is. [Wealth, Power, Beauty] he has it All. Watch him grow stronger as he travels into new realms like High School DxD and the Fateverse, leaving a trail of defeated gods and captivated hearts in his wake.

Wu Chen crossed the new world, but was trapped on July 7th, 2020, and continued to reincarnate!

He has been indulgent, doing evil, and desperately violently committing suicide hundreds of times in different ways, but every new day, everything will come back. He also has hundreds of languages and can communicate with 99.9% of the world.

He is proficient in all mainstream instruments, and he is a master of beauty. He has studied fighting, car skills, shooting, and cooking in his repeated time. Art, dance, performance…

So he reincarnation for a thousand years, a new day, the sun rises as usual. – Time is: July 8, 2020.

- Description from wkkshu translation