Sukuna does die in the manga. The way it happens is quite dramatic and ties in with many other elements of the story, adding depth and tension to the overall narrative.
I Refuse to Go to the Village is a novel written by Xiao Yi. The protagonist of the story, Qiu Qiu, accidentally transmigrated into a book and found himself in the seventies. She became an educated youth who was abandoned by her parents and went to the countryside. In this story, Qiu Qiu worked hard and was unwilling to go to the countryside. Through her own hard work and wisdom, she gradually changed her fate. The latest chapter of this novel was the end of chapter 130, which was already finished.
You can try searching on some popular fanfiction websites like Archive of Our Own (AO3). It has a vast collection of fanfictions from various fandoms, and there's a good chance you'll find ones related to 'Izuku has Sukuna' there.
No. Ryomen Sukuna is a fictional character from Japanese mythology and modern manga/anime. He doesn't have a basis in a true historical event or person.
Nope. Ryomen Sukuna has no basis in reality. It's a product of the creative minds of the writers and illustrators who designed a captivating fictional character for the enjoyment of the audience.
Rejecting the Saintess was a fantasy web novel. The author was a money tree. The story described the main character, Ji Yunshan, who had transmigrated to the Big Dipper Continent and became the direct descendant of the Ji Family's Patriarch. He was also engaged to the Feng Family's Patriarch. However, Ji Yunshan chose to reject the marriage, which triggered a series of story plots. The specific plot and development required reading the full text of the novel.