Aqua Reiga [Godzilla: The Series]

[Fic AU of the 1998 Godzilla animated show Godzilla The Series including an OC, cover art not mine]
Valentina "Val" is the fourteen year old younger sister of Doctor Niko Tatopoulos
Val and Nick grew up without their father in their lives and their mother working herself exhausted to support the family in where their father weaseled his way out of child support and in turn Nick mostly took care of his baby sister while balancing collage as Val grew older she helped around the house the best she could
While Nick was the nerd of the two and good with socializing Val was the polar opposite as she was one of the top swim team members and found it difficult to make friends, her love of swimming made for jokes of if she had gills she would live in the water until the end of time
But after the events of a mutated iguana that towered over the Statue of Liberty, breathed blue radioactive fire and asexually reproduced eggs the family was in distraught with Nick being assigned by the government to help against the creature with Val and their mother evacuating Manhattan when it came to nest
Now the last surviving egg of the clutch hatched and has imprinted on Nick believing it was their mother and though doesn't have the ability to asexually reproduce it has every other aspect of it's real father
Now while Nick and his team H.E.A.T. with Godzilla's help to fight other monsters like Godzilla to protect humanity, Val must come to terms with it all as she unintentionally begins to bond with the radioactive lizard of a new member of the family
But how crazy is it all?