I also nearly finished her schoolgirl outfit. (Like all the other parts, the body is interchangable.)
My only problem is figuring out how to make her hat. Should I just draw it on top of her head? But without her bow, her hair will come loose… it’s the only thing keeping it on her head. RRRGH.
EDIT: Since a lot of people were asking, here is where I found that picture on the screen: [link]
If you know/find the original artist, let me know! I have a feeling it's from Pixiv somewhere.
Download My PSQG cubee templates and make your own: