Two things:
1. Page 20, why is Noela's tail coming out of her butt. That's just bad art from the mangaka.
2. I want to point out that he basically roofied the lot of 'em. He's a good dude and that wasn't his intention but his talents are to figure out potions and he's... not great at it...
The Japanese have been obsessed with 'ciel' for years, probably because it sounds foreign but is also easy for them to pronounce. L'Arc-en-Ciel has been around since '91.
Find your way deep enough into the youtube rabbit hole and you'll see this kind of thing all the time.
If they ever make people's algorithm public I will never get a job ever again.
This is true but it's important that the other male is even dumber than the primary one.
This poor kid has no clue what he's about to get involved with and his sister is doing him no favors.