Both are played by the same actors. Both main characters come from completely different background and eventually fall in love.
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.
