Masaomi Mikimoto (幹本 雅臣, Masaomi Mikimoto) is a crew member of <Fraxinus> a ship located 15,000 meters above Tenguu City. He holds the title “Boss”. As a member of the Fraxinus crew, he helps vote the decisions that Shido makes when he confronts Spirits. According to Kotori, he boasts great popularity with the Filipina in the stores at night.
Mikimoto has the appearance of a man in his later years in life. His grey hair falls down to his sides, with one prominent strand falling down on his forehead. He also wears thin rectangular glasses. While onboard <Fraxinus>, he wears a formal suit. He is often seen holding a glass of wine. According Kotori, Mikimoto has a very flirtatious personality and is very popular with his subordinates.