Triage

Third-year emergency medicine resident Tin has to cope with a deluge of different patients every day. Up until the eighteenth, that is. Tin's life is transformed when university student Tol's car is overturned, and he's rushed to the emergency room in serious condition. That night doesn't end when Tin fails to save Tol's life, though. When Tin next wakes, he finds himself in a time loop, a loop he won't be able to leave until he's altered Tol's fate.

Third-year emergency medicine resident Tin has to cope with a deluge of different patients every day. Up until the eighteenth, that is. Tin's life is transformed when university student Tol's car is overturned, and he's rushed to the emergency room in serious condition. That night doesn't end when Tin fails to save Tol's life, though. When Tin next wakes, he finds himself in a time loop, a loop he won't be able to leave until he's altered Tol's fate.

Despite the fact that DV is about a hetero love story and Triage is not, these two are somewhat similar in plot.
In DV the FL also tries to bring ML with whom she is in a relationship back to life by going back in time.
But ML doesn’t remember her let alone his romantic affections for her.
In DV there is also - different to Triage - a SFL who tries everything to get between those two.

Both dramas feature time travel - the main character re-living the same day to save another character from dying.

The equation of the two is
-Is a BL drama
-The love story of a doctor
-Having the main character of a student
I think that's their equation. I hope you'll like my recommendations

-time travel
-sorta time loop (ML dies no matter how much the other partner tries to save them)
-butterfly effect (future changes becoz of past actions i.e. there is only one timeline)
-chemistry is good
-romcom

Difference is that Triage a medical drama and shows a more prominent time loop and ML is able to write what happens in each while FL in LR cannot write or say anything about the future to past people.

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

Triage is not similar to Unforgotten Night. This is recommended just to show the value of great script, great acting, inspired direction and high production value. It does not need the trick of cheap sex plot to make a great BL.

Super similar plots

Both are about someone reliving the same day over and over and trying to save the life of another person who always dies that day.

It’s a thriller, in a medical scenario involving human organs trafficking. This is a BL, warning for those who are not into this genre. But plot is very good and with great Prodn values.

Transplant is kinda a spin-off of Triage because Transplant's main caracters appeared as guest roles in Triage and they mostl likely are from the same creators.
Both series are BL dramas from the medical environment and there is an investigation of suspicious surgeries.

Both are medical dramas revolving around TRAUMA, EMERGENCY ROOM / ER Department in hospitals.

Exciting and very interesting to watch both
Though "Triage" has an extra fantasy , time changing, Loop element

(Pls be aware that one is mild bromance n the other is a BL)

A fantasy of a different kind. But if you want a fantastic plot and not the usual BL dramas, Triage is a must watch. The episodes keep the viewers on their toes and it would be hard to guess what’s happening. Great chemistry of Tae and Tee. The high rating of this series is much deserved.