Devilish Joy (2018)

In both shows...:

1. The FL is an actress who has fallen out of "fame" due to a scandal involving a "crime." Though they were both acquitted, they were still unforgiven by society (earning them a following of anti-fans).
2. The ML is successful at his job and has few friends.
3. The ML tries to help the FL.
4. The FL hides her pain behind a smile, is optimistic and doesn't balk at putting in work to meet their goals.
5. The FL tries to revive their careers.
6. The ML and FL are very supportive of one another and establish a really cute, fluffy and healthy relationship.

both male leads have amnesia that change their personality.
both male leads have serious personality.
both male leads are running successful company.
both female leads are poor.
both female leads are positive fun person.
both male leads forget they have been dating.