There are many activities or hobbies that may be used in fanworks to show character interests and skills, how relationships evolve and work, routines, comfort zones, and to world-build.
When the entity itself is flying. For plane rides see this setting.
Listening to Music
This includes authoring a story, or creating visual arts.
Playing a Musical Instrument
Arcade, Card, Carnival, Computer, Party, Tabletop, and Video Games...
This usually occurs when one character is reading aloud to others with purpose. Often to bond with or take care of them, as being read to can feel very safe.
Also known as napping.
Also known as 'literally sleeping together' to offset the euphemism of sleeping together meaning sex. Differs from Sharing a Bed because they are sleeping somewhere besides a bed.
Also known as taking a holiday, or going on holiday.