I'm a Programmer in Japan

A story about a programmer raising his daughter!

I thought all programmers had miserable lives!

But one coworker has a beautiful younger sister named Umaru!

Another coworker, Kobayashi, even has a cosplay dragon maid at home.

Luckily, I still have my adorable little daughter. But why is she always doing things that drive me crazy, and talking about some kind of System...