A series of Alternate Universes (AU with a few in the canon universe) mostly one shots with a few multi-parters all about that Starco.

[MarcoBadBoy!AU] - His life had been filled with Death and Heartbreak, changing him for the worst. That is, until one obedient princess helped change it for the better.

Two years have passed since Star and Marco defeated Eclipsa and Meteora upon learning about their true destiny. Now the two must forge a new legacy for Mewni as Queen and King while facing new threats and unraveling more mysteries of the Blood Moon.

For Marco, things had been complicated enough on Mewn, but after a strange temporal makes him responsible for six teens, he finds that things can always get more complicated. Can he survive long enough for them to get home? and how is he going to explain this to everyone? Read and find out. (Starco, Manna, Jarco, Higco, Heco, and Kellco)

Love is a complicated force, binding souls together across various strings. But the red string of fate is the strongest. No matter how you weave it, the attached pair will find their way together. Star and Marco learn to face the truth, restoring color to there lives. But challenges await them as they discover a deeper bond growing.