Jujutsu Kaisen is a series that has drawn in millions of fans all over the world with its complex character dynamics and engaging character backstories. One of the most intriguing characters in JJK is Megumi Fushiguro's Mother, who has not had much “screen” time, yet she had an enormous impact on the story’s events.Gege Akutami, the creator of the series, affectionately refers to Megumi's mother as "Mamaguro." Megumi's mother was Toji Fushiguro's first wife and died soon after giving birth. Her legacy shaped the fates of both Toji and Megumi. Even though she only appears once in the storyline, her influence will be felt throughout Jujutsu Kaisen.Megumi's biological mom died young. This is the most significant thing we learn about her from the extras for the manga, which state that she died soon after Megumi was born. Toji and Megumi have the surname 'Fushiguro', which was her last name before marrying Toji, and it shows how she is still in their hearts and lives.The only time we see a picture of her in the entire series is at the end, when Toji is dying and thinking about his family, and he thinks about her with baby Megumi, so he remembers the joy of his family.Her Impact on Toji's LifeToji Fushiguro (Image Source: MAPPA Studio)Toji Zenin was like a wild man before he ever crossed paths with Mamaguro. Toji left his clan, Zenin, and lived as if it were the end of the world. But after marrying Mamaguro, everything changed for Toji. He took on Mamaguro's family name to express how committed he was to leaving the Zenin clan behind forever and starting over again.Jujutsu Kaisen explains that Toji and Mamaguro's union created some stability in the turbulent life of Toji. For the time he spent with her, Toji lived a somewhat honest life. After having a child with Mamaguro, Toji named him "Megumi" to show how much happiness he gave Toji, regardless of the situation.Mamaguro's death was a total bummer for Toji. It sent him back into the same destructive behavior he had as a kid. According to the manga extras, after he lost his wife, Toji started gambling and being super reckless. Toji's death resulted in his abandoning Megumi and later on, agreeing to sell his son to the Zenin Clan.Mamaguro's Limited AppearancesKid Megumi Fushiguro (Image Source: MAPPA Studio)Mamaguro is a totally mysterious character in Jujutsu Kaisen due to her lack of time on screen and also a lack of character development. The only time we see Mamaguro's face is during Toji’s death flashback in season two, so Mamaguro is one of Jujutsu Kaisen’s most mysterious characters. The fans don’t even know her name.Fans use the creator's nickname 'Mamaguro' (the combination of 'Mama' and the 'guro' part of Fushiguro) to identify her as a character from the series, due to the lack of concrete information available about the character.The Fushiguro Family Dynamic in Jujutsu KaisenTo really see how Mamaguro fits into the whole picture, it's necessary to look closely at the Fushiguro family history. After Toji's wife passed away, he married Tsumiki's mom later on (who already had a daughter from another guy). When Toji married Tsumiki's mom, both girls were given their last name (Fushiguro).But after marrying Tsumiki's mom, Toji and Tsumiki's mom weren't around for their kids, and they both just bailed on Megumi and Tsumiki. This is why Gojo Satoru stepped in to help Megumi and Tsumiki. Part of this abandonment was that Toji never fully recovered from losing his first wife.Why Mamaguro Matters to the Story?Mamaguro died before Jujutsu Kaisen started, but her death had a huge impact on a lot of characters. It was because of her death that Toji went back to being a mercenary so that he could fight Invincible in the hidden inventory storyline.She played such a big role in Toji's decision to still keep his last name, Fushiguro, even after he got remarried, which allowed Megumi to access not only her mother's history but shielded Megumi from growing up inthe Zenin clan's horrible environment as a child.People on various forums throughout Jujutsu Kaisen are still anxious to learn more about Mamaguro. For the majority of viewers, there is a big interest in seeing how she and Toji met, what brought them together, and what type of woman Mamaguro was outside of being Toji's wife and mother to Megumi.