Both have Krist and Singto as leads. Both stories are based on workplace environment. Both stories feature stories of adults main leads.
They both have similar time-travel themes with gay romance. In both shows, the protagonists try to go back in time to change/fix things.
They are both Chinese bromance series. Both portray a beautiful relationship between the main leads.
The settings in both are similar; they both involve opera singers and theatrical setting for the most part.
