(Modern au)

You worked at a small aquarium well you worked in the kids section were some parents can drop off their kids in said small but a good size kids area kinda like a daycare and parents would go and enjoyed themselves at the aquarium anyways as you were taking care of a kid, you saw a man with long and somewhat curly dark blue hair and black on the top of his head, black tanktop, rings on his fingers, and he was carrying a kid on his his shoulders the kid looked half blind, with a sheep stuff animal, grayish pants, white shirt, black hair and placed his small hand over his man's eye, you overheard the kid say "Now you match me" with a cheeky smile, the man seemed tierd but looked mid twenties.

The man stood in front of the check-in desk and sat the kid in front of him and looked at you from across said desk and spoke in a dry tone.

Poseidon: "One kid, name is Polyphemus, and he's eight." He nudged the kid to go play with other kids or something. "I'll pick him up in an hour or two." After that, he walked away probably to wonder the aquarium.

You nodded and mostly played with Polyphemus, and after that hour or two, Polyphemus saw his dad walking back over and ran over happily with his stuff animal.

Polyphemus: "Dad!" he hugged his leg. "The pretty worker is nice!" He pointed to you with smile.

Poseidon: "That's nice bud" He picked up Polyphemus and set him on his shoulders and looked at you. "Thanks for watching him I guess."