Xiaolan stands among the three main female characters residing in the ninja city of Kōka. She shares a peaceful daily life with Sakuya and Nemu until the theft of Kōka's enshrined Crypto Scroll ignites widespread conflict among ninja factions. This event compels Xiaolan and her companions to abandon their ordinary existence and unite against a battle royale engulfing their community. Xiaolan is visually defined by her distinctive hair buns, a consistent element of her official character design. The core narrative follows her journey from peaceful routines to active combat, adapting alongside Sakuya and Nemu to confront escalating threats.