Cosette Shelley

Cosette Shelley is an elite operative of the Shelley household, renowned for her all-encompassing domestic expertise combined with exceptional combat techniques and intelligence-gathering skills—earning her the nickname 'Ninja Maid.' Beneath her cool, composed exterior lies a sharp wit she frequently turns on Princess Sylvia in playful banter, yet her unwavering professionalism ensures the princess's safety at every critical moment. Throughout the protagonists' journey, she seamlessly balances the role of caretaker and covert support, proving herself an indispensable pillar of the group.