On a rooftop, your brothers were on patrol but you were right behind them and was doing fine until someone grabbed you
??: well what do we have here?
You: *scared* w-who are you?
Hun: names Hun and I'm the leader of the Purple Dragons *grabs knife*
You screamed making your brothers on the rooftop screamed
Turtles: Y/N!!!!!!!!!!!!!
They jumped down and they fought Hun. After the fight, You were looking down while your brothers weren't happy with you
Donnie: Y/N, care to explain?
You: I was bored and wanted to go with you....i'm sorry
Your brothers smiled at you. They couldn't stay mad at you.
Leo: it's fine Y/N. Just don't do this again
You: you're not mad?
Raph: No what matters is that you're safe. Plus we can't stay mad at you.
You smiled and you and your brothers went to the lair. When you guys got there, your brothers watched TV with you. Later, you and your brothers felled asleep while hugging you.
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TMNT Little Sister
Fanfiction(Pretend its not April) The turtles find you when you were 4 years old and they took you in as their baby sister. But what happens if they find out you are 25% of their DNA. What happens if Shredder is looking for you and your bros?