How did ameri know iruma is human?
wait what? when did Ameri found out about Iruma???
When did she find out iruma is human? Even if there is lots of circumstantial evidence for it she could have put together, you would think it would have been a big moment showing when she realized considering how big of a plot point that is to the story.
i'm fairly certain iruma straight up revealed to ameri that he was human at some point. pretty sure the stuff with the manga was a giveaway
She might also think of herself as the human and Iruma as the demon. So she is happy that she can be with a demon.
I think it's the opposite, she see's herself as the human and Iruma as the demon.
She suspects him to be one but nothing concrete since he defies her expectations all the time.
The only ones who know he's human is Sullivan, Opera, Bachiko and Balam, Baal, and Kirio.
She knew pretty much from the very beginning.
She suspected him of being a human since her first appearance at the end of chapter 9.
In the next chapter we see her notebook with things that tipped her off. Unlike most other students, she knew that humans weren't just a fairy tail, so that's why she ended with a theory that Iruma is a human.
At the end of the same chapter she had a "fateful encounter" with Iruma (the kind she saw pictured in human manga), that pretty much cemented her belief that he was a human (and she though she was flustered, because he was using some "human magic" on her - flawed logic, but she was spot on).
The next chapter she pretty much confirmed it, when Iruma reacted to the manga book that Ameri dropped. After that, she had him read the manga, instead of reporting it to her father, as she initially planned.
PS: At this point of story, we know that these characters know (or highly suspect that) Iruma is a human - Sullivan, Opera, Alikred, Balam, Ameri, Bachiko, Kirio, Henri, Kalego, Narnia, Ocho, Baal.
to clear up the misunderstanding about Amelia thinking Iruma is a human..
Nope, no misunderstanding, she knows he's a human for a fact.
Since the very first time they met, Ameri already has a suspicion that Iruma is a human. She just prioritize him translating her manga for her storytelling instead of further investigation, and before she knows it she fell in love
Nah, it was suspicion for less than a chapter, and a firm belief for less then another. After she learned he could read human manga, she didn't even need him to confirm it.