These two similar in the genre mystery with a lot of cases but only one big case that's progressing in every ep, cop's work related, and showing teamwork development between peers.

- hate to love relationship
- two loner main characters become close
- love triangle issue
- school romance
- the main character from both Light On Me and Daytime Shooting Star (the heroine) ended up not with the first person they fall in love with
- the person who ended up with the main character is supportive and always there by his/her side

- female leads with bright personalities have had a crush on male leads for years
- male leads are also attracted to the female leads but said nothing at all
- the drama starts from their high school life till their adult life (have a job)
- the trust issues
- wedding

- both told about a love relationship between humans and a very-old-"special creatures"
- the female lead both as a human and the male lead as a special creature who wants to be a human
- the female lead act as the male lead's catalyst to be a human
- both couple's encounter was because they accidentally crashed into each other
- both couples unexpectedly ended up living together for "some reasons"
- both male leads faced the same "problem" in almost the same episode I think if I'm not mistaken, and in the exact same way
- I could say the "plot" is almost 80% the same, you will understand what I mean if any of you watch both dramas