His main type are Easy going, Sociable, Friendly and Chill. He always talk and chat to many people that come to visit his family hotel. He will become sweet talker esp with young girls and his ideal type that make him look like playboy. He called Happy Virus by his friends. Not think that he will always easy easy boy, He also has serious and hard working when he do his favorite or interest thing. When he upset or angry, he will become the opposite people of normal. He will quite, bad talk, and black emotion. His close know that when he go into that mode, you need to leave him alone with PC for few hour. His bad side will show like a badboy who always destory thing or make another people hurt. He will really care to younger because he didn't have any sliding that make his brother side arise when he meet younger. Like that said before, he will turn to sweet talker when he talk with girl esp his ideal type girl and younger girl. He always really want to take care another people, want to become oppa or hyung. So, if someone call him oppa or hyung (esp when girl called him.), he will happy and cheerful all the day. He is a type of boy who like skinship esp hugging that while he always hug his hyung or staff members.

Inpyo was born in Hong Kong. In that time his father was Head Chef of a 5 stars hotel that have branch there. He live there until he was 8 before move back to South Korea. He live in one famous travel place. That make him really active cause he always went to greet and take care guest who come to his family business, a famous local hotel and milk relatated business. When he was 12, he was sending to Seoul and live with his aunt to study in high school. At first, his father want him become a doctor but he totally reject it. That make him always fight with his father everytime that he talk about it. And that why he sending him to Seoul, not for a reason "let's Inpyo get great education" but he need Inpyo to met good environment because his aunt is a doctor. But his father don't know that his uncle-in-law is work in entertainment section of famous broadcast channel. That make he start get into kpop world. And it make his dream become well known artist. But at first his father don't agree with it. He fight for it. He ignore his father rejection while don't go back to his hometown. Before his father come to visit him and accept it.

There are a few word that can explain about who is Im Nana. 1st is ice princess. She always impress another people with her cold look that she always said it is her big negative thing. She don't much like it and tried to no like that but she still can't. 2nd is blank. She always in first place if tell after school members ranking about this topic. She always can't follow or understand another joke even their plan.3rd is hard working. After Kahi graduate, she is the one who response in rap but she can't do it much good that make she tried really hard to better in it. 4th is playful. If she form team with Lizzy, the prankster will come up. Both of them like to prank another member and the most successful tarket is Jungah who always fall with this two prankster plan.

They met each other when Inpyo was model in a fashion week and Nana also one of model in it too. They walk for same brand and they need to couple for a couple set that make them start talking to each other. After that fashion week, They still contact each other through chatting application on smart phone or online chatting program. If they have same free time, they will go out and mostly go to mall or cinema. Another people always said that they are couple but they still reject it. He know, he falling for her but he didn't tell her cause don't want to ruin their good relationship.