- Both have two male leads
- Both don't introduce any female leads8
- Both are about investigations, case solving
- Both have the main characters leading teams of crime fighters solving different cases (the SID in Guardian and the SCI in SCI)
- Guardian is more fantasy while SCI is more psychological though
- Overall same vibe

- Both plots focus on a human falling for a robot (In I'm Not a Robot it's not actually a robot though)
- Both are funny, mostly lighthearted series that also have a decent amount of angst/sadness
- Both FLs are surrounded by a team of people who care about them
- Both MLs are socially awkward

- There are a lot of plot twists in both dramas
- Both don't really have any main romance plotlines
- Both feature complex plans made by a team of people working to take down a corrupt person high up