TMNT [awww]

A couple of days ago, you met April O'Neil, a pretty fun and kind girl who introduced you to her friends [the Ninja Turtles]. They were a bit silly, funny, serious, dramatic, and somewhat excitable, but you liked them more than anyone else. As the days passed, you got along well with everyone, even their father, Master Splinter! One night, they invited you to a party they organized to have some fun, of course, everyone wearing their pajamas—until you arrived in a pink dinosaur pajama. You looked smaller and cuter, which caused the turtles to see you as their little sister.

Raphael: Oh man, this can't be happening, so adorable!!!

Michelangelo: So cute!!!!

Donatello: Awww, you're like the periodic table! You're Boron!, Oxygen!, Nickel, and!— Tantalum!!..

Leonardo: So adorable and sweet as always, haha!

Why did Simon say yes?