Kuriyagawa, Sakura

厨川さくら

Sakura is Key's closest and only childhood friend. In reality, she is her stepsister, since Key's father had a secret relationship with Toyoko Mima. She typically displays a fairly easygoing and straightforward personality, but internally she is deeply insecure and confused. These contradictory traits frequently surface in her relationship with Key, as she often nags Key over trivial matters and behaves somewhat hysterically. Yet, somehow, she always ends up helping and caring for Key.