Times (2021)

Two people, one in the past and one in the future, connect to solve their problems...................

Both involve the use of a phone as a time bridging element to change something that happens in the past. Both cases to save a loved one.

It is similar about the fact of time travelling and changing the future. Sisyphus is more romance driven and saving the world but times is a more complicated one as the time changes it's totally different but is a bit different but you will like both of them

both The Call and Times are similar becasue they both use phones to communicate between two different time lines and both go with the "Change the past, Change the present, but with consequences" thing

the main element is different, in Times it's communicating with someone in the past while A Day is a repetition of the day but both have that "Change the past, Change the present, but with consequences" thing

Similar in aspects about politics not exactly simialr but similar vibes
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A passionate reporter with exceptional talent, Lee Jin Woo has dedicated his entire career to pursuing nothing but the truth. Committed to telling the whole story, Jin Woo will do whatever it takes to find and report the hard facts. A hard-working man with a nose for news, Jin Woo’s life takes an unexpected turn when a mysterious phone call connects him with Seo Jung In, a woman who claims to be living five years in the future.
A hard-nosed reporter with a burning passion for her work, Seo Jung In has a knack for finding the best stories. But sometimes digging deep uncovers some nasty truths. Following a string of leads, Jung In uncovers a dark plot that could shake the very foundations of the country. With the life of her father, South Korea’s President, Seo Ki Tae on the line, Jung In finds herself in a deadly race against time. But she’s not in this race alone. M

Timeline Changes - check
Thriller/Mystery - check
it will give you the vibes of what will happen next if the timeline changes

Both are time warp dramas where the male and female leads are given multiple opportunities, based on changing events, to save someone’s life before tragedy happens.

Those two dramas have the same concept of time crossed or merged world. In both dramas are main leads trying to save someones life.