In terms of the plot of such a fanfiction, it could involve them teaming up against a common enemy. Maybe they have to face some sort of interdimensional threat. Their different abilities, Dave's with his time - related powers and Sans' bone attacks and teleportation, would make for an exciting combination in battle.
The interactions between Sans and the characters from the other crossover element are very important. For example, if it's a crossover with a fantasy world, how does Sans interact with the magic - using characters? Does he use his own unique skills to complement or contrast with them? Another aspect is the world - building. How well does the author create the new combined world? Is it believable and immersive?
The theme of adaptation also fits. They are in an unfamiliar situation, meeting a character from a completely different world. So, they have to adapt to each other's presence, ways of thinking, and powers. This process of adaptation can drive the story forward and also show how characters can grow and change in new and unexpected situations.
One popular sans the skeleton crossover fanfiction is 'Underfell x Undertale: Sans Swap'. It offers an interesting take on character swaps between the two universes. The story plays with the personalities and relationships in a unique way.
In Comic Sans, 'Sans' typically refers to the style of the font being sans-serif, meaning it doesn't have the small decorative lines at the ends of the strokes.
In Comic Sans, 'sans' typically refers to the style of the font being sans-serif, meaning it doesn't have the small decorative lines at the ends of the strokes.
Well, 'Sans' in Comic Sans indicates that it's a font without serifs. Serifs are those little extensions or flourishes on the ends of letters. So, Comic Sans is designed to be more simple and straightforward in appearance.
Writers often portray their relationship as a contrast. Unfresh sans is usually more serious and reserved, while fresh sans is carefree and energetic. They might start as two characters who don't understand each other but gradually develop respect.