This story is about a boy (Minho) has strange feeling with his Noona (Tiffany).

At the first, Minho and Tiffany just school mate, but they are close step by step. It starts from Seohyun and Yuri introduced Minho to Tiffany. 

Tiffany is a girl from the State with her family (father, older sister, and older brother), but then they back to the State except Tiffany. She asks permission to stay in Korea for awhile. Her father always calls her back, but she reject. She lives with Yuri and Seohyun. Jessica is her close friend who comes from the state with her. First in Korean, she is so hard to connect people because of different culture and different language (Her English fluently, but bad in Korean). Now she really wants live this country forever. Does she can? Does her family agree?

Minho lives with his friend Onew, Jonghyun, Key, and Taemin. They are good brothers. Minho is always getting jealous when Tiffany closes with another guy, but he does not know his feel. He wants to treat her well.

What happen when Minho confess to Tiffany? He is not a boy anymore! Does his love can stop Tiffany back to the State?

Main character:Tiffany, Minho, Yuri, Jessica, Key, Seohyun

Other: members of SNSD; members of Shinee; and SME member

Minho is 19 years old, tall, handsome, smart, cute and athletic. He doesn’t know what kind of feeling that he has with Fany, just between sister and brother? Between friend and friend? And between boy and girl??? Minho wants show his Noona that he is not a boy anymore, and he is a man who can protect his girl. Minho study with Seohyun and has a good relationship with Noona Yuri. His best friends are Onew, Jonghyun, Key, and Teamin. He also close with his Sunbae Donghae. He is a member of football team in school.

Tiffany is 21 years old, pretty, cute, friendly, eye-smiling. She is good at English, but poor at Korean. She like Minho as her younger brother because she is maknae in the family, has older sister and older brother. Jessica, Yuri, and Seohyun are her best friend. She has many anti-friend because she has good relationship with famous Sunbaes such as Yunho, Hero, Siwon, and Donghae.

Key is the same with Minho, smart, speak a lot, cute, good preparing, athletic but don’t like sport. He is always nagging to his brothers because his brother left him with Seohyun. He will bored when he near Seohyun. The more he avoids her, the more he meets her. He is also a member of football team in school.

Seohyun is the Maknae of her sisters, cute, smart, obedient, and polite. She is good at playing piano. She praises Nicole and Crystal because they are good at sport. She also wants to show Key that she is an independent girl. 

The role of others characters will describe later.