The Immortal who Travels the Worlds

"Ding!" "You have obtained the reincarnation system, and the next world is a parasitic beast. Teleport starts after five seconds, please do not leave the place, otherwise it will be erased. Hearing
this voice, Lu Yan stood up and left the place, he was just a little hungry, went downstairs to eat something, and by the way to see how the system erased him.
......
"Lu Yan, I like you, can you be my boyfriend for a day."
Lu Yan said with a kind expression: "No."
Sorry, can't be your boyfriend for a day because he's an immortal
...我被困在同一天十万年

This is the story of an immortal who has lived for thousands of years and traveled to various worlds under the great changes of the world.
......
The first world: Death is coming
Second world: Tokyo The
third world: Armor Warriors
The fourth world: Naruto