Um if this is Reisen... where is her bunny tail? or that's also detachable?

Jakker said:
Um if this is Reisen... where is her bunny tail? or that's also detachable?

Yes, it's rather questionable as to the character's identity, but it's tagged as Udonge on pixiv, so there's no mistake there.

Well, the title of the image is "しりんげ" It's a combo of ass "shiri" and Udonge.