[quote=Heyitsjiwon]
Does the fairytale that we base our gang on have to be one of the European/Grimm's fairytales? Or could I use a Japanese one?
[/quote]

Huh? You don't have to base your gang on any fairytale unless you want to. If you know any Japanese fairytales you'd like to base your gang on, by all means, go for it.