Falling in Love With Me - FL possesses a magical necklace that makes the audience fall in love with her singing.
Connection
Connecting to You- ML can see the different colored threads connecting people. The more threads, the more bonds a person has.
Butterfly
Butterfly Lovers (2007) - A big spoiler (The couple was forced to separate. ML died of heart attack or a disease and FL committed suicide at his grave. Then they were reborn as a pair of butterflies who never separated)
Swim
Spring of The Blade (ML can't swim and FL saves him from drowning)
Meeting room/ conference room
Ash - several scenes where the businessman and his family are holding meetings in the conference room.
Search
Search: WWW (2019) - Three main characters work for web portal and search engine companies
Office
Never Give Up (sitcom style c-drama about workplace and employees)
Lawyer
Extraordinary Attorney Woo - Most of the main characters are lawyers, including the female protagonist
Ghost
Agent from Above- Ml a spirit medium and there are many ghost characters
disappearance
Moonlit Reunion (MLs father disappears)
Axe
Mama Fairy and the Woodcutter (2018) - ML was a woodcutter in his previous life
Knife
Stranger - A kitchen knife with a white blade and pink flowers, really features.
Katana
Strategist Kanbe - This drama was set in the Sengoku Period of Japan. Most of male characters in this drama were samurai and had katana.
Monk
The Road to Splendor
Prayer beads
Blossoms Of Power - one of the princes lost his wife (reincarnated FL) and he always has prayer beads in his hand
Painting