The younger of the Hisakawa twins, Hayate dreamed of being an idol long before her decision to audition. Despite their different interests and personalities, she loves her older twin sister [Nagi Hisakawa](https://anilist.co/character/141368/Nagi-Hisakawa) dearly, and together they form the unit miroir. However, Hayate initially disliked the idea of debuting with Nagi as a unit instead of individually. During her audition, Hayate stated that she wanted to become an idol so she could be told that everyone likes her.
