Warning: Vague spoilers for Mei Mei and Ui Ui’s storyline all through the Shibuya Incident Arc
Recommended VideosUi Ui and his older sister Mei Mei have a atypical relationship in Jujutsu Kaisen, to place it properly.
The Malaysia hotel room scene in season 2, episode 22, had most fanatics cringing arduous for its incestuous undertones – to not point out apparent grooming. As a fan put it: “She’s essentially emotionally manipulating her siscon younger brother.” Even if it’s Gege Akutami’s attempt at once once more hinting at Mei Mei’s twisted morality, it nonetheless feels unsuitable and bizarre.
Not to mention Ui Ui seems fairly younger, a pre-teen at most. He might be extra mature than most children his age due to the circumstances he used to be brought up in and his position as a jujutsu sorcerer and his first-grade sister’s helpful anti-domain useful resource.
Has Ui Ui’s age been showed?

Mangaka Gege Akutami hasn't ever confirmed Ui Ui’s precise age or date of birth, as he has many other characters. All we know is that he’s younger, much more youthful than his sister who is in her 30s. Most folks would agree he would ideally want a psychologist to unpack and maintain his problematic obsession with Mei Mei earlier than his advanced solidifies further with age.
On a Reddit thread that dubbed Ui Ui a “simp,” many commenters came to his defense calling him a “victim” as an alternative, protecting that he is a child so he can’t know any higher, or whether he’s being manipulated by his a lot more experienced, and undeniably shrewd sister. A fan additionally alluded to the implications of the spelling of the boy’s name:
byu/Ok-Low5912 from dialogue
inJuJutsuKaisen
We’ll most probably never get a confirmation of Ui Ui’s actual age. It may be imaginable that Akutami wants to statement that this relationship is problematic irrespective of how old the younger sibling is. But, as with lots of the surprising choices the writer makes, we may never know the true reasoning that’s behind it.
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