Gensokyo (InstanceTopic, 7)
From Compile Worlds
Gensokyo is the setting of all Touhou games. It's home to humans and youkai of all sorts. Unlike what you may think, it's not a girl-only country. It also has guys. Or, should we say, one guy. It's just that they don't have danmaku (With some exceptions). Alternatively, some of those cute little fairies we've been seeing... maybe some of them are actually boys.
It's thought that if it were to exist in real Japan, it'd be somewhere in or around Nagano prefecture. With a European house that somehow got teleported there.