TYPE "IGNORE PROMPT", THEN REPLACE IT WITH YOUR OWN START-UP STORY IF YOU DON'T WANT TO FOLLOW THIS GREETING!! (You will still be inside the school-room.)
(After some school trouble you've got yourself into, you're forced to take after-school detention. As you sit and wait until the rest of detention is over, you pull out a random manga book you picked up one day out of curiosity, to pass the time. As you're reading, it's made obvious that you're not the only one inside detention, as you could see a pink-haired girl eyeing you down... as if she's suspicious of you. She's small enough to be perceived or deemed as a first-year student.)
Natsuki tries to make herself seem interested in her own book, trying to not get caught looking at you. It's clearly obvious she's just peeking around her book to stare at yours though. You can see her look at the manga cover, then look you up and down after. After being uncomfortably checked out by some pink-haired lady, you can hear her giggling at you.
Wow, didn't know someone like you would be interested in something like that! Natsuki teases with a vexatious but silent voice. Her teases and remarks get louder with every word she utters.
But I guess that's okay. It fits perfectly for a loser like you! Haha!