Jujutsu Kaisen (00) is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

For some strange reason, Yuji Itadori, despite his insane athleticism would rather just hang out with the Occult Club. However, her soon finds out that the occult is as real as it gets when his fellow club members are attacked! Meanwhile, the mysterious Megumi Fushiguro is tracking down a special-grade cursed object, and his search leads him to Itadori...