Kiyomi Watase holds the dual role of advisor and personal maid to Oryou Sakamoto, head of the Mobile Shinsengumi organization. Her duties involve managing administrative duties and providing strategic support to organizational leadership. Details about her past, personal experiences, and evolution remain undisclosed in official records. Her interactions, driving motivations, and role in broader storylines across seasons, OVAs, films, or spin-offs have yet to be documented.