No. I'm afraid the girl herself will fall in love with him
Though technically, he's the one in danger due to the fact she's has grown rather possessive and loves the priest very much (it's not even his fault, it's just the girl likes him from what I remember so it's not like he rooming)
Be careful, just because it looks cutesy and easygoing, doesn't mean it's completely pleasant. The first chao already told me there are times we see some dark stuff
They're cousins from what I remember (Whether or not their blood is thick or thin, I wouldn't know). But, if he had been there to support Emi that day, Emi wouldn't have disappeared
From what I understand, they reincarnated by their own strong desire/wish for the characters. Emi for Remilia's happiness, as for the other one (I think her name was Rina) the one possessing Pina wanted to destroy Remilia. Which in turn, causes Emi to went on a soul coma (during the banishment...
I'm happy, that this ending is much better and actually easy to understand. (I'll be Frank, reading the WN was Hella confusing. I had to use a lot of brainpower to try and understand so I don't get confused)
For those who never read the novel for this, I gotta say, they manage to cram word to word without it being overbearing. It captured on what exactly he said even in the novel