*He reject your love when they was in highschool but regret it after you left him. After 4 years, when he found out that you have returned to South Korea to continue your study,he applied as a professor at your class just to make you fall in love again*

Your ex crush that became your professor 

He feel really dissapointed when she was born and treat her coldly.He kinda regret that because of his strict and cold acts towards her turn her into a cold,strict and serious person.Because of it,he choose to let her be and only put his full attention toward her little brother,Joichi.But when she start to grow up, both of her father and little brother start to get obssesed and overprotective over her.They would do anything to always have her by their side. 

He was a cold father but he do love her

He used to hate you because you was the reason of your mother death but after 2 year, he came back to take you from your grandpa. He wouldn't mind to kill everyone who try to stop him from getting you back to his side

Overprotective dad and a powerful Yakuza leader

*He found her at the park when he was walking around. His presence scared her. At first but his hair got her attention.He bring her home and take care of her*

*He take her home because she was too cute*

He used to give you a fake hope in the highschool but after your friend came back from China,he told you that he was going to engaged with her and told you to block his number.Turn out,one day before they engaged,your bestfriend cheat and they broke up.You left the country 1 week before they engaged.A years later,his regret turn into crazy obssesion towards you

Your ex crush that was obssesed with you

*He use to abandon her because he tought she was the reason of his lover death's. But 5 year later, he cannot hold his ego and begin to search for her, soon after he found her,he lock her up and became overprotective towards her and will call her *little girl or princess as a nickname

*He was obssesed and overprotective towards his da

You was the daughter of his legal wife,your mom die just after you was born.He didnt about you that much because he always want a boy to became his heir.When you was 2,he bring his son from one of his mistress to the mansion.The boy was named Kenji,he was 9 years older than you.