Her relationship with Hayate was also ideal, with the two playing games and training together happily.

However, once Ayane learned of her true heritage – a product of the rape of Ayame, making her Kasumi's half-sibling – Kasumi's friendship with Ayane ended due to Ayanes bitterness and envy over her mistreatment by the clan, centering her animosity on the 'princess' Kasumi. When Kasumi was seventeen, her uncle, the rogue ninja Raidou, returned to the village to obtain the Torn Sky Blast technique a ninpo spell used by the clan's leaders.