Caleo//a Cinderella story

Leo (15) is a boy who lives with his father, stepmother, half sisters, Silena (21), Nessa (20), Drew (16) and stepsisters (hephaestus does not know) Piper (15), lacy (8)
They treat him like a slave, since his father is always working or traveling. The only thing that treats him with respect is Piper and Silena.

Calypso (15) is a rich and spoiled girl who lives with her parents and sister Zoè (18), she is the youngest so she is very conscientious.

What would happen when their worlds come together