Novel: I Don't Want to Make Galgames
This novel is a bit different from Richest Man in the Ninja World. It's more of a growth-type story, though it does contain comedic elements. If you enjoy novels where the protagonist builds something from nothing, in this case, a gaming empire from scratch, then you'll likely enjoy this one.
So, give it a try. If you like it, please support it; if not, that's understandable.