Masaru's mother is a minor character who appears in the early episodes of Yu Yu Hakusho. She is the parent of the young boy Masaru, the child Yusuke Urameshi pushes out of the way of an oncoming car, an act that results in Yusuke's initial death. Her background is not explored in detail; she is presented as an ordinary, concerned parent living in the same town as Yusuke. Her personality is primarily conveyed through her interactions with her son during the events surrounding Yusuke's funeral. She displays a typical maternal protectiveness and care for Masaru, who is very young and does not fully grasp the concept of death. This is shown when Masaru asks her when Yusuke is going to wake up, and she has to gently manage his innocent questions about the situation. Her motivation in the story is simple: to look after her son and help him navigate the confusing aftermath of the accident. Her role in the narrative is functional rather than developmental; she serves as a grounding element in the emotional scene at Yusuke's wake, highlighting the gravity of Yusuke's sacrifice from the perspective of the family he saved. Her key relationship is with her son Masaru, and she has no direct relationship with the main cast beyond this brief encounter. The character experiences no notable development or arc, and she disappears from the story after the opening episodes. She has no notable abilities or combat prowess, being an ordinary human civilian. Her significance lies entirely in being the mother of the boy whose rescue sets the entire series in motion.