Amnesia Drama

Hello! A few dramas that may fit: 

Memory Lost amnesia with a twist

The frog that turns into a prince this a remake of a previous taiwanese drama. Fits perfectly with your description.

Kill me Heal me amnesia with a twist.

Shopping king Louie fits your description

Autumn's concerto he's deceived but his life doesn't change

Goodbye my princess 

One the woman (What a weird title)