Touhou Socer is even referenced here. And huh imagining a Dimple-esque Mystia.
Bright side now we know why Reimu acts like that.
Until now we have given it unlimited power because Reimu, unlike a normal human, has no ambitions nor desires. But...The Super Shikigami Goal Keeper Yakumo Ran has firmly caught the soul!Go to hell and take care of the soul of the little youkai Rumia, who Reimu has killed.EH!?EH!?All right, I have one more task for you, Ran.We may need to reconsider this little girl's "Reasons"...Ah! Gotcha!The Hakurei's Shrine Maiden is the guardian of barriers... We can't make it work with a person possessing an original personality.