Responses
The trope is called quick transmigration/world hopping. I recommend checking out this list
https://www.mangago.zone/home/mangalist/1410437/
(⊙…⊙ )thq for the list
Suggest some more manhwa where MC has the robot and have many story plot he travels through
Similar to
My boyfriend snatcher
Seize my boyfriend
(≧∀≦)