提督の元カノだった蒼龍(人間時代)。
防衛大時代に疎遠になり、とある調査の際に再会。
「両者未婚だった事で猛アピールして来るようになった」と言う妄想

Soryou during her human days, back when she was the Admiral's girlfriend.
They grew apart while he was attending the National Defense Academy, but reunited during a certain investigation.
My headcanon: "Since both turned out to be single, she started aggressively making moves on him."