Wang Min Jen:  

  The oldest among the three best friends.  She is a daughter of Jiro Wang and Cindy Wang and has a half breed of Japanese and Taiwanese.  She has her elder brother Micky that always comforts her.  She is a very noisy person, her noisiness is very communicable that even the most behave person would go wild.  She is just a simple girl who loves her two best friends so much.  She doesn’t easily fall into love but when she enter Kirin Art School and see Jo Kwangmin all that is applicable to fall would fall specially her stone heart.  Whenever she saw Kwangmin heading to her direction she will suddenly freeze and chill but when Kwangmin is already out of sight she will shout out loud and the person she's clinging at will taste the power of being knocked down for she will punch, punch, and kick a thousand times.  She is quite boyish for she always wants to protect her two best friends.

Yan Min Ae:  

  She's older than Mincy but younger than Min Jen.  She's the daughter of Arron Yan and Hebe Yan.  Her oldest brother was Yan Changmin who is very strict and protective when it comes to her sister and her elder brother who is caring was Yan Lee Shin.  Min Ae is very friendly whenever she felt something for a person she will do something to be friend with that specific person.  She so much likes No Minwoo but since Minwoo became her friend she will find it hard to express her feelings.  Even though she's older than Mincy she seems to be the youngest among the three for she always cry and always wants comportment she is a very loud person.. A half breed of Japanese and Taiwanese.

Wu Mincy:  

The youngest of the three best friends.  Her dad was Wu Chun and her was Wu Min Fen, she has an elder brother who is Wu Jaejoong.  She is the shy type of girl for whenever she saw her crush she will suddenly speed up to overcome the nervous and "hoity-toity's" she's feeling.  But because of so much speeding up she will suddenly get sad and get mad at herself for she always lose the opportunity to know his beloved Jo youngmin.  Even though she's of a shy type she's actually noisy.  The way she laughs makes everybody laugh too but when Youngmin is around she will stop laughing.  She's a half Japanese and Taiwanese like Min Jen and Min Ae. 

Jo Kwangmin:  

A hot tempered guy he easily gets angry when he's seeing Min Jen who is always teasing him.  But then even he hate Min Jen that much he will suddenly fall for her realizing that he's feeling anxiety when Min Jen is not around.  He has an elder twin brother who is Jo Youngmin.  He is one of the boy group that will change the lives of the three girls specially Min Jen.
 

No Minwoo: 

 One of the boy group which is the youngest.  He is friendly, cute and is a real gentleman for he always tries his best to protect his friend and secret crush Min Ae.  At first he didn't know how to confess the truth on Min Ae but then there will come the time that he will be given a chance to express his love.

Jo Youngmin:  

The elder twin brother of Jo Kwangmin.  He is not like his twin who is very sensitive and hot tempered, he is somewhat like bashful especially when he's seeing Mincy. He is joyful and funny because he always does something that will make the atmosphere lively.   He is hunk to all the cute and lovely girls but for him there is only one person who can attract his very own tantalizing eyes and that is Mincy.

Jiro Wang:

 The father of Min Jen who is a Taiwanese and is one of the owner of WYW Enterprises. (short term for WangYan Wu Ent).  He is a loving father for he always treasure his two child specially Min Jen who is his one and only daughter.  He is very kind for he always wants to help others like the marginalize and other organizations as well as different well-known school such as Kirin Art School.  Helping Kirin is one of his main reasons of transferring Min Jen to Korea.

Cindy Wang: 

The loving and caring wife of Jiro Wang, the mother of Min Jen and Micky.  She is pure-blooded Japanese that lives in Okinawa.

Arron Yan:

 Father of Min Ae and husband of Hebe Yan.  He's also one of the owners of WYW Ent.  For he also want to help other people and share his blessings to everyone.  He has a very great voice which captures his wife's heart and which makes Min Ae love him more.

Hebe Yan:  

A Japanese woman living in Osaka.  She's the wife of Arron Yan and the mother of Min Ae.  Among the wives of the owner of the WYW Ent. She is the only person who has three children for she find it hard to bare a female one. 

Wu Chun:  

The father of Mincy and Husband of Min Fen.  One of the owner of WYW Ent.  He's the hunk of all the owner of WYW for his y body attracts many maidens.  But then his love was only for her wife and two children.

Wu Min Fen:  

The sweet mom of Mincy and caring wife of Chun.  She's the one who proposed to put the word "MIN" to their daughters name once they will have one.  The purpose of "Min" was not because she also have "MIN" on her name but because it significance is "LOVE" which can be interpret as their daughters was the fruit of their love for their husbands.

Wang Micky, Yan Changmin, Yan Lee Shin, Wu Jaejoong:  

The brother of the three girls who will always protect them especially when they cry because of the boy group on their school.  They will be the one who will judge if the boys were suited for their precious sisters.

Donghyun, Hyunseong, Jeongmin

Members of boyfriend that have a secret crush to Min Jen, Min Ae and Mincy