Sweet. This finally showed up somewhere.

It's already been around, just no one got around to translating it yet... Let's hope it will be quicker here.

Almost seems like a reference to the vocaloid song "World is Mine". Specifically, the very first line.

Sekai de Ichiban Onee-sama!!

Hi! An edited version of this comic should show up on gensokyo.org in two weeks, around the start of March.

That title reminds me the oh so classic american mug with "World's greatest Dad" written on it.