Marvel: Death, Naruto, One Piece, Let Me Do It

After the protagonist died unexpectedly, he was found to have traveled to the Marvel world. Confused about the future, he discovered that there were three black holes in his mind... Naruto: A child who accidentally fainted during training was confirmed dead. He opened his eyes and was very surprised. Why did I travel through time again? One Piece: A little noble from the Western Sea, when I woke up in the morning and opened my eyes, I was transported through time again! Death: Why am I traveling through time again? I am the protagonist! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.