You should put the name of the work in the title as "Jujutsu Kaisen: The Cursed Lightning" it will attract more people.
Otherwise, will you continue your other fics?
Thank you for the chapter (translation)
They do this because if there are not 10,000 or 20,000 words in their fanfiction it does not yet appear in the "recommendations". It helps them to have more people reading their story (translation)