Momo Aoki, known affectionately as Momo-chan, is a student at Yokosuka Girls' Marine High School serving as a Damage Control Officer and Beautification Committee member aboard the destroyer Harekaze. She frequently engages in repair and maintenance duties alongside her friend Hime Wazumi. She wears her brown hair in two low ponytails fastened with turquoise hairbands and has brownish-green eyes. Her uniform consists of a longer skirt and noticeably shorter socks than standard, along with glasses and a red beret that hints at her artistic side. Momo possesses a deep passion for reading and drawing manga, often becoming completely absorbed in her work and unaware of her surroundings. She creates a popular four-panel manga series featuring her friends that runs in the ship's newspaper. Though skilled, she responds to praise with modesty and embarrassment. Her personal motto is "Everything will shine if polished." Coming from a family that operates a tailor shop, she has developed strong sewing and clothing manufacture abilities, which align with her favorite subjects of technical engineering and home economics clothing. English ranks as her least favorite subject. Momo enjoys all egg-based dishes, especially egg over rice, but dislikes sardines. Born on June 1st, she is a Gemini with blood type B. She stands 154 cm tall and is from Yokosuka. Her close friendship with Hime Wazumi is well-established.