Male lead simps on/ is obsessed with female lead

Any drama where the male lead is obsessed with the female lead. He can do anything to get her but she doesn't like him back. But she falls in love with him later on

 fanitha:

• Hana yori dango
• Summer's desire
• Secret garden 
• Moon lovers

Thank you very much 

 AH :

For most of these dramas, I wouldn't really say "he can do anything to get her" (in some cases the ML fully accepts that his feelings are one-sided or that being with the FL would not make her happy) but rather "he really loves her and would do anything to protect her". 

• My Fated Boy
• Sound of the Desert
• The Legends
• I Need Romance 3
• The Romance of Hua Rong
• In Time With You
• When the Weather Is Fine
• Where Stars Land
• Princess Agents
• Koi Desu: Yankee-kun to Hakujou Garu
• A Business Proposal
• Who Rules the World
• Why Her?
• Soundtrack #1
• Empress Ki

Thank you very much