Chikan bus: Ijimete nurasu (2000)

Shiro works as a shuttle bus driver for a hot spring inn in the village, alongside his younger sister, Hideko. One day, upon returning home, they find a stripper named Carmen Luna dancing in their garden; her manager, Kida, had mistaken their house for a guesthouse. The pair ends up staying at Shiro's home, and Shiro gradually finds himself drawn to Luna. Sensing her brother's feelings, Hideko reaches out to Luna, who then personally teaches her the ropes of performing. Amidst this, however, Luna leaves for Tokyo to visit a lover in order to settle Kida's debts...