Crazy Ex-Girlfriend is a CW original series created by Rachel Bloom and Aline Brosh McKenna. The Musical- comedy series is about a young woman who goes by the name Rebecca Bunch who has been single for ten years when her boyfriend dumped her in 2005. Now it's 2015 and Rebecca becomes inspired by a butter commercial and decides to move to West Covina, California where her ex-boyfriend is deciding to move after seeing him. Once Rebecca moves, she become friends with a co-worker named Heather and Rebecca ends up developing an on and off again relationship with her ex-boyfriend's best friend Greg.
https://www.youtube.com/watch?v=UXkNIMcei6A