MODERN AU. Jack gets suspicious when his little sister (Ellie) wants to help out with the dishes. Ellie is obsessed with a new singer. Elsa's kickstarting her singing career, but there's one minor problem, and his name is Hans. COMPLETE.

Series of Jelsa oneshots. Ch1- ticker and tinker!au Ch2- superhero!au Ch3- hogwarts!au Ch4- secret agents!au Ch5- a song (Lithium) Ch6- kids!au Ch7- ticker and tinker!au (again, but for real this time)