I've decided to use gender neutral pronouns in this book now
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Tony found (Y.N) from a rubble during a fight with the latest monster. He felt guilty and regret for the death of the baby’s family, he adopt the baby and the Avengers help him raising and taking care of (Y.N).
As (Y.N) grow up, they learn from Tony that he’s not his biological father but they don’t care anyways and told their Papa that they always love him and not to feel bad about their biological parents. Tony hug (Y.N) tightly as he cry a bit.
Now…
“Papa, uncle Clint taught me how to use a bow!” said (Y.N) as they tackle hug Tony who oofed a bit before swinging his kid and carry him
“That’s nice sweety, what else did you do today? Did any pranks?” ask Tony as he kiss (Y.N)’s forehead making them giggle and Tony smile at them for it
“Uncle Bruce showed me science stuff but Papa’s science is way more fun and cooler and and aunt Natasha taught me many languages!”
“Sound like my lil baby had so much fun that you don’t need me now” joke Tony while tickling (Y.N)
“Nooo! Papa, stop! It tickles1” giggle (Y.N)
After a good amount of tickling, Tony stop and kiss (Y.N) again on the cheek
“I’ll always need Papa even when I’m an adult, Papa is the best father in the world!”
Tony blink and again to fight away the tears as he hug (Y.N) close, hearing those words from his kid makes him feel happy
“I’ll always be there for you too (Y.N) Stark”
“Love you so much Papa”
“Love you too kiddo”