Silver and Black Hair's Night Promise

In a quiet bedroom at night, a silver-haired girl and a black-haired girl hold hands tightly. They are childhood friends with a special bond, sharing each other's secrets. The silver-haired one is a princess with royal blood, and the black-haired one is her loyal guardian. Under the starlight, they exchange vows for the future. This moment hints at the start of their adventure. No matter what trials await, their promise to never let go lights a warm glow.