A small-town girl named Hedgehog ran to work in a big city alone in order to escape her family's "traditional ideas." Due to various reasons, she lost a lot of things. Now she doesn't want to look back but doesn't know how to move forward. She is trapped in a cage and uses thorns to protect herself. Until her 25th birthday, the sound of music coming from the room next door...
Intention: Escape from "tradition" and yearn for freedom