Nobody Knows (2022)

Both star Zhou Yi Ran and Wang Yan Hui.
Both feature non linear story telling.
Thriller/mystery genre with subtle love stories.

Both dramas revolve around a love story that ended in tragedy. In both dramas there is a murder and that is somehow resembling a past case. Both dramas have male protagonists that are somehow involved in the case and try to find out the truth. Both are willing to go to very extreme ends in order to catch the right person. Additionally, both dramas portray how brutal and hard life can be.

Both dramas are about a young couple where the female dies. Both males are accused of being the culprit. Both males go to unusual means to prove they are innocent and to fight for their justice.

Both star Wang Yu Wen and feature jumps in time.
More mature both in the stories and the productions (feel higher budget/looked after).

Both star Ou Hao and feature jumps in time.
Focuses on the high school days of 4 main characters and then on how their relationships change through adulthood.

Both deal around a group of friends during their school days in the 90ties. And Both of these groups experience the murder of one of their friends which causes them to grow apart over the next years. They eventually meet up again and finally learn what truly happened to their friend.

Both drama about a group of high school students and their friendship in small town in late 90s, the crime in the town including mystery, murder and death.