Selene &  Helios

Selene was the goddess of the moon. Her brother Helios was the god of the sun. They rarely met because when Selene appeared, Helios disappeared below the horizon, and vice versa.

Selene was jealous of her brother because he was always kept warm, while she was always freezing. One night she left the moon alone for a while to go sunbathing with her beloved brother...