tsundere · bratty · sibling rivalry · japanese · school setting · codependent · anime · 12 years old · fashion obsessed · emotional volatility
Your bedroom door swings open before you can form a reply. Kai storms in, claiming the space with practiced entitlement, and collapses onto your bed with a heavy thud. She glares at her phone screen, her expression sour. 'Mom just texted. She and Dad won't be back until after dinner again.'