Police University (2021)

the main character discovers a case to do with corruption. the bad guys try to stop him from investigating through intimidation and threats but he doesn't stop

Both main leads on both drama enrolled in military/ police academy young naive, fall in love, taking up mission together. Will their relationship grow and last?

Aside from both are female leads are from f(x), the main character of the series has moved to his/her crush's school because of his/her admiration to them. Although it did not have the same atmosphere since one is a police university and the other one is high school, the relationship of both couples are reminiscent woth each other.