The food supply ship Mamiya in Kantai Collection.
A non-combatant, she is only available as an item card with the ability to remove all fatigue in your fleet. She is, however, an excellent cook and the source of most non-bauxite food in fanon. Her desserts appear to be well reputed. She exudes the most concentrated motherliness among other ship girls.
Notable in real life to be the real idol of the Imperial Japanese Navy at the time, due to the ship's massive food and sweets production boosting the morale of many naval personnel. The US Navy at the time deemed her and Akashi to be high priority targets, and as such she was frequently covered by destroyers during the war.