Male lead uses female lead

Dramas where male lead uses female lead for his benefit  ....he plays with emotions.... which later female lead gets to know 

• Money Flower
• Queen of the Game
• High Society
• Roy leh Sanae rai
• marry me or not
• Father i'll take care of you
• Maybe: plus nine boys, another oh haeyoung, king 2 hearts,  warm and cozy, lee soonshin is the best

• Korean Odyssey | uses the FL to get out of a magical prisión.
• Black | uses the FL to find his wayward reaper partner. 
• A Beautiful Mind | though there's a valid reason here. 
• Falling for Innocence 
• Marriage, not Dating