100-Day Dating Plan summary: If you're asked to be in love with someone within 100 days, will you accept it? Due to system error, Qing Leng is forced to form LC Love Counseling with three boys and teach everybody how to love, during which process, however, entanglements appear in this team... Supposed to be sweet campus love story, it finally turns out to be a huge and secret plan which even threatens their lives...