The protagonists transform into an animal and in this way they experience firsthand what it is like to live like these animals and they will have to find a way to stop transforming.

The protagonists lie about their age to get a job as newbies in the field................................

The protagonists are from the wine business.......................................................................

The protagonist enters a time loop along with her boss...........................................................

The two protagonists lose their memory about the romance of the past....................................................

They get into a time loop because of the protagonist's death, so they'll have to figure out how to end it.

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..........................................