The artist is Tawanese. And seems to be unfamiliar with Japanese language. Outline of this story can be read from picture, but translation of sentences are too difficult, I think.
My umbrella...Lady Byakuren, are you okay?Owie... It hurts...Lady Byakuren... OooOOoohh... No~!Ah... Ahh... Our house's Holy maiden...I'm okay... Look, I'm healthy now, so please don't get angry...That's it, that Demon Miko will die for bullying our lady!
Evil Miko = Reimu I'm- I'm sorry... Oh...We decided to give off our Imperial Blessing.
Liberal translation