It has the a similar concept of Time Loop and the male lead dies multiple times and both the male and female lead enter a time loop.

The two have temporal loops related to their boss.......................................................................

Both have time loops related to their boss and need to change it to get to the next day................

The protagonists pretend to be a eunuch to enter the palace and investigate the truth behind...........

The two live a great love story within a parallel world being a game.................................

The two enter a game world and get involved with the protagonist..........................................

The two enter a game world and get involved with the protagonist......................................

The two enter a game world and get involved with the protagonist..........................................................

The protagonists travel through time to try to kill the great villain that in their time will cause great destruction.

The protagonists try to save the life of a colleague who ends up dying, trying to change their deaths by traveling through time to try to find out why this happened.

The two get stuck in a time loop and try their best to let the next day come................................

The two protagonists are very intelligent and make different strategies for their enemies and people who want to destroy their family.