Both have FLs that had near death experience but MLs saves them. The FLs will have an opportunity to save the MLs too.

Both have green flag leads with great chemistry.

Both have MLs that play it cool but really have a major crush on the FLs

Both have 'bad boy' SML

High school setting

Both MCs will live parallel lives depending on their choices.
Both FLs have two MLs that she will meet and fall in love with

Both have pursuit plans. AROLF's female lead plans to make the man who she believed stood her up in college fall in love with her prettier version. Wednesday 3:30 pm's female lead plans to have happy dates and look beautiful on Wednesdays at 3:30 pm when a woman is said to be most stressed and unattractive then post in her social media to make her ex boyfriend regret breaking up her at that specific time.
Both have some kind of contract relationship.
Both have started the real relationship between the leads near the end of the drama, but since Wednesday is only 10 episodes, the waiting is not as long as in AROLF.

Both have uncles that love their nephew's girlfriend
Both have MLs that secretly help the FLs
Both have uncles that are considered as head of the family

Maid's revenge is darker in tone while Don't mess is very lighthearted.

Decreed by fate also has the who's the husband mystery like in the Reply series. Both the ML and SML are compatible with the FL.

Decreed by fate also has the who's the husband mystery like in the Reply series. Both the ML and SML are compatible with the FL.

Decreed by fate also has the who's the husband mystery like in the Reply series. Both the ML and SML are compatible with the FL.

The FL has a relationship with the SML first.
The SML love the FL very much but his love prevents the FL's growth
The ML has a secret crush on the FL for a long time
The FL has a trauma that she overcame because of the ML's support

Both are youth dramas
Both have smart ML and not studious but lovable FL
Both have ML and SML that are a good match with the FL
Both have leads with insecurities that blinds them about their own good traits (ML is insecure because of his artificial leg and no good father in FIT while female thinks she's ugly in JEA)

Written by same author
Ambiguity between good and evil factions
Both have other worldly vibe
Both have great battle scenes

Both are xianxia dramas
Both have powerful antihero MLs
Both have FLs who are initially in love with noble SMLs
Both seems to have white lotus FLs who constantly needs saving
Both have great comedic timing