Top-notch Master Masquerading As Cannon Fodder Female Companion - Chapter 939 - : What Could I Have Done?  

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

At the genesis of the world, the ‘Dark God Entropy’ was defeated in the fight between the five other Gods, and was sealed.

Qin Guanglin is a regular guy living a cautiously regular life. Apart from his freelance job as an artist and his hobby of gaming, nothing has ever been out of the ordinary for him.However, when he meets a mysterious gamer girl offline, he is immediately blown away by how perfect she seems to be for him.Is it all a coincidence, or is it fate? He realizes that there is so much more to life than just staying in his own comfort zone.This is a tale of lost and found...

Of the ancient gods only one remained in the world. This god lived alone for thousands of years and no longer had any desires. Legend had it that during the great war between the worlds he used his powers to turn the tide managing to seal the cataclysmic rift bringing order back into the three realms. Time flew by and hundreds of years passed in the blink of an eye.