I don't know which tag I should use to tag that person there.
On the one hand, she is the sendai_hakurei_no_miko (least in this context).
On the other hand, she dressed exactly like hakurei_reimu.

3rd frame

So, all this time it was Reimu's back up?

it's "demon"

Stan_Miller said:

I don't know which tag I should use to tag that person there.
On the one hand, she is the sendai_hakurei_no_miko (least in this context).
On the other hand, she dressed exactly like hakurei_reimu.

sendai_hakurei_no_miko + hakurei_reimu_(cosplay)?

BrotherJohn said:

it's "demon"

Yeah, Wriggle has awakened a demon. She doesn't know who she is dealing with here, but she will find out soon enough...