One of Rhodes Island's top executives and Amiya's mentor. Also head of the Medical Department. She is a long-time Rhodes Islander and Amiya's staunchest supporter. Dr. Kal'tsit is rigorous to the point of "obsession" when it comes to his health, doing everything from advising him on his behavior to monitoring his vitals. Although she hasn't said so directly, it is clear to him that Ms.Kal'tsit has some ulterior motive for taking care of him.

Purifier very much enjoys using force to accomplish so, but like all Sirens in Azur Lane, she is adaptable in fulfilling her purpose. She is a bubbly girl with a happy-go-lucky attitude matched only by her pure joy of the thrills of battle.