Jujutsu Kaisen

High school student Yuuji Itadori spends his days in either the clubroom or the hospital, where he visits his ill grandfather, while idly engaging in spurious paranormal activities with the Occult Club. When he unintentionally comes upon a cursed artefact, his peaceful way of life quickly turns odd. After ingesting the object, which turns out to be a finger belonging to the demon Sukuna Ryoumen, the King of Curses. Yuuji finds himself abruptly forced into the world of Curses—terrifying entities made from human hate and negativity.