It's Not Easy to Be a Man After Travelling to the Future (WN) - Chapter 1428 - Probe.

Alex Walker was a living legend in the game. Some argue that he was the best midfielder in the world back in his prime... The same people would tell you flat out that he was the worst manager in the world.Three relegations in his first five years... erratic relationships with his players and tens of millions of money spent on unknown players with little to no identity.After suffering a heart-attack on the back of yet another relegation, Alex Walker wakes up to something strange.[Ding! Coaching system has been awakened!]

During his patrol, Ji Xiu Yun, a marshal of the Empire, was ambushed and went missing. When he returned, there was a pure white creature crouching on his army cap.

Through genetic testing, it was determined that this cute and delicate little fellow was a creature that had faded away with the mother planet of humans 2000 years ago——a cat.

The last cat in the universe!

The people of the Empire were frenzied!

- Description from Novelupdates

Due to being reincarnated into a financially struggling noble family, I had to find a way to make money.“Just wait one more day, and the next volume will be out!”“Next week is a hiatus? Are you out of your mind?”“Hurry up and give me the next volume!”“Quickly!”Before I knew it, I was overwhelmed with deadlines instead of romance.

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

- Description from Novelupdates