The father mysteriously disappeared, the mother committed suicide, and the hidden truth was revealed from the petun juk-petun juk. Chai Nana, the decryption expert who inherited the mysterious Yangyu Ukey yan9, transformed herself into a socialite and decided to use her beauty to please men. She made an unwritten rule agreement with Mr. Mo, the most powerful boss in S city. Who wants to summon the warm male side with a kiss! One is as cold as ice, the other is as warm as fire, sweet and salty boyfriend, I want them all! The eccentric dog boyfriend vs the two-faced cat boss, under the starlight. until the end of time, I only love you.