Masahiro Morikuni is a supporting character in A Galaxy Next Door. He works as a manga editor and is specifically assigned to manage the works of Ichiro Kuga, the protagonist. In this capacity, he regularly interacts with Ichiro regarding deadlines, manuscript submissions, and the general direction of Ichiro's serialized manga. Morikuni is a professional who takes his editorial responsibilities seriously, offering guidance and feedback to help Ichiro improve his craft and meet the demands of the publishing industry. His personality is generally straightforward and businesslike, though he demonstrates a genuine interest in the success of his authors. He is married to Momoka Morikuni, who is also Ichiro Kuga's childhood friend. This connection places him within the broader social circle of the main characters, and his relationship with Ichiro extends beyond purely professional boundaries due to this personal link. Over the course of the story, Morikuni remains a steady presence in Ichiro's life, providing both editorial support and occasional personal advice. His role is that of a reliable professional who facilitates Ichiro's growth as a manga artist. While not a central figure in the narrative, his position as Ichiro's editor makes him a recurring character who influences the story's progression through the demands of the manga industry. His notable abilities include his expertise in editing, his understanding of the publishing process, and his capacity to balance professional obligations with personal relationships.