You've known the turtles and Splinter ever since you were young. You were taken in as their sister. You were a few years younger than them and strong! But recently..you've felt a bit down..a lot down..increasingly.. you asked sensi for a spare notebook and he gave you one. You were fluent in Japanese so you made your vent notebook in Japanese so they couldn't understand it.

..Little did you know..they were fluent in Japanese..

"What's this?"

Asked a voice behind you..it was Raph