Keybound, a fantasy comic by Shannon Dybvig

Eledrine Galea grows up believing that she will have a fairly normal life while her brother fulfills a special destiny. Due to decisions that were made before she was even born, Eledrine's life path makes a sudden turn, and she and her brother's roles are reversed.

Keybound is a comic about being lost in your twenties. It's about growing into your responsibilities, making decisions about who to keep in your life as relationships change, and finding your own way.