This popped into my head as soon as the old ladies on the bus said that a succubus showed up. Also the teachers should all know what races all the students are.
I guessing he is actually a handsome girl, as that is some what common archetype (e.g., Sailor Uranus). With the horns and tail she is probably Dragon's host.
Why are the inner thighs of the Hero's shorts cut out? I guess it allows simulate up-skirt shots, but what possible in-universe reason could those holes have? As ridicules as the MC's outfit is, sex-appeal still works as an in-universe reason for it.
She is a minor, they can't exile her parents without also exiling her because that would be kidnapping. They aren't hating on her at all, they like her so much that they gave her parents second chance purely for her sake.
It's a real upload!
It said there's going to be an inspection, it would be risky for the girls to even try with how the bite marks come and go. In theory it should be fine if he does them all right before hand, but that's not how narratives tend to work.