Ayane was born as the result of Raidou raping Kasumi's mother, Ayame. Though Ayane was allowed to stay in the ninja clan, she was always looked down upon as a "poisoned child", generally ignored by many of the ninja clan. Ever since they were children, Ayane admired Hayate. She looked up to him as a way of increasing her self-esteem and lifting her sadness. Hayate as well was fond of Ayane; he might have learned of the true circumstances behind Ayane's birth and did not see the point of isolating her as everyone else did.

While Kasumi and Hayate joined the rest of the village in a festival,...