

Both dramas deal with the supernatural and are centered around a FL and ML duo that encounters supernatural beings. The FL has a mission to fight against these since childhood and she is supported by the ML who was at first clueless. The dynamics of the duo and their relationship are similar in both dramas. Smart and strong female lead, smart and supportive male lead.
Both dramas also have a dark and complicated past as origin.
Both dramas also have a dark and complicated past as origin.

Both have the same male lead and both are very meritorious but fictional tales. One great difference between the leads of both shows is that in The School Nurse Files the leads are more friends overall and even though compassion is shown for each other, it isn't elaborated on. Whereas in Abyss the two leads do end up in a relationship.
If you would like to see more good shows check out my list! <3
If you would like to see more good shows check out my list! <3