The sudden invasion of a stalker.
"Oi, make a nice meal for her like you did for Emir's birthday."
"No."
I did nothing, but I made sure to keep a watchful eye on her.
"It's a pleasure to finally meet you all~ My name is Araceli."
"Yes, I just joined Oscar's class... Oh, I'm free to call him Cipher here, aren't I?"
"My power? Ah, no, it's not a Supernatural Ability, but a Measurement..."
There were no suspicious activities.
"Excuse me, but I really like your earrings... And your nails, wow! Are they natural? Did you do them yourself?"
"Huh? O-oh, thanks, yeah, they're natural... How'd ya tell?"
Indeed, there were no suspicious activities at all.
However...
"You two are Sana and Sona, right? I love your hair, and your eyes are so pretty~"
""...""
Objectively speaking, Araceli wasn't acting particularly suspicious.