Setsuko Sasaki

Setsuko Sasaki (せつこ) is a minor character in the Jujutsu Kaisen series. She is a second-year student at Sugisawa Third Municipal High School and was a member of the school's Occult Research Club alongside her friends Yuji Itadori and Takeshi Iguchi.

Appearance
Setsuko is a teenager with black colored hair that extends to below her ears and is styled in a bob, has blue eyes, and wears glasses.

Setsuko's outfits consist of her school uniform, a beige-colored vest over a white long-sleeve shirt, and a diagonal striped tie. She also wears a dark blue skirt, with grey socks, and light-colored shoes.

Personality
Setsuko is a laid-back girl who enjoys spending time playing games in the club room. She has an interest in the occult and asks Yuji Itadori to retrieve a cursed charm they found, but when a cursed spirit attacks as a result, she feels guilty for putting her friend in danger.

Fearsome Womb Arc
In the Occult Research Club's room, the club members are playing a game of Kokkuri, until the student council president comes to inform them that their room was being taken due to a lack of an activity report. Setsuko informs him of the club's theory that the reason the school's rugby field got closed was because it was haunted, before the student president debunks it, saying it was due to ticks. He then informs them that Yuji is not even in the club, meaning that the club doesn't have the minimum required members. Setsuko and Takeshi then go with Yuji to sort things out with Prof. Takagi, who changed his club activity. After sorting things out with him, Yuji told Setsuko and Takeshi, that he liked the club and wanted to stay, to which they blushingly agree.

Later that night, Setsuko and Takeshi are revealed to have snuck into the school, and while in the Occult Research Club room, they try to unseal the cursed charm they found. As they succeed, they are surprised to find a human-looking finger, before they are suddenly attacked by curses. As they run, they get separated, with Setsuko finding out once they reunite that Takeshi has a curse attached to his head. When Yuji and Megumi reach them, Setsuko and Takeshi are already unconscious as the curse attempts to eat them, before Yuji saves them.

The next day, Setsuko is at the hospital watching over the injured Takeshi and blaming herself for what happened. Yuji then insists that he is to blame for finding the charm and that people capable of healing Takeshi will come tomorrow.

Culling Game Arc
Inside one of the Tokyo barriers, Setsuko is woken in the middle of the night by Kenjaku, who offers her a chance to leave the district. Disoriented, she goes along with Kenjaku who thanks her for getting along with his son. She fully awakens outside the barrier alongside Takeshi where they contemplate the relationship of a massive black barrier with occult activity.

Abilities and Powers
As an ordinary human, Setsuko doesn't possess any additional abilities.

Trivia

 * Setsuko's family name contains the kanji for "help, aid" (佐) and "tree" (木).
 * Setsuko ranked 52nd place in the manga's 1st Character Popularity Poll with 106 votes.

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Setsuko Sasaki