Hatsume Aoba is one of the main characters in Release the Spyce anime and Release the Spyce: Golden Genesis light novel gaiden series.
Hatsume is a kind and maternal member of Tsukikage. She and her apprentice Goe play a support role in Tsukikage, and Hatsume is responsible for creating many of the gadgets they use. She believes that she can reach out and see eye-to-eye with anyone, and is childhood friends with Yuki. Her codename is Tsubone.
Hatsume treats everyone on the team with motherly warmth, and is willing to extend a friendly hand even to her enemies. In fact, her dream is to be friends with everyone as if they are family. However, she has no qualms with sticking Theresia with a hidden needle containing neurotoxin and using a key to the antidote as a bargaining chip.