Both dramas tell about high school student and drugs. The characters in the drama are also seduced by the profits earned from that illegal business.

The original version

- FLs befriend with their mother
- FLs meet their parent from the past
- Lee Won Jung cast in these dramas

- Suicide case
- Bullying
- FL trying to solve the case

- Both drama show the bond between friends in a military/police academy.
- Not focus on romantic things

- Body swap
- Romcom
- The ML experiencing 'women period' LOL

- Body swap
- Romance comedy

Both dramas has
+ secret love (?)
+ smart male lead
+ bright female lead
+ ML trying to guard FL in his own way

ML is a handsome and hot professor with FL is a university student. And they live together

One 'normal' student in a troublemaker class

One 'normal' student in a troublemaker class