40 years old. Bai Lin's father, a high spirited and energetic business person. Only knows to attend social activities and earn money. Thinks that just as long as he gives his wife and child a life filled with excellent materialistic things then that means love. Later because of wrong investment move, he went bankrupt. He wasn't unable to withstand the pressure and goes into hiding.

male, 19 years old. Tall and handsome, grew up in a prosperous family, enjoys all the superior materialistic things in life. But after the death of his brother, who is 5 years older than him, his parents were both busy with their own things. This caused the process of his growing up to be solitary and lonely. And it's also because of this that formed his cold, arrogant, rebellious character. A talented, 1st year student in a certain National University, in the law department. And also an athlete for the bicycle race. Is very popular with all the female students but he never pays attention to it. Lan Lan is the only person that is able to cause him to have any feelings. But his arrogant self won't let him be the one to show his love first which leads to them always missing out on the opportunity to get together.

female, 18 years old. Daughter of a rich family. Sweet and intelligent. Developed a "will not accept defeat" attitude towards the arrogant Bai Lin. She would frequently oppose him on purpose but then develops favorable feelings for him instead. Yu Si has a secret crush on her, but she just treats Yu Si as one of her buddies. Especially envious of Yu Si's warm family. Later because she wanted to provoke Bai Lin, she purposely uses Yu Si. Which leads to Bai Lin and Yu Si's antagonism for each other.

male, 19 years old. Son of the Bai family's caretaker. Has a "heaven and earth" difference in status with Bai Lin. Getting along with each other, they seem to be friends and seem to be brothers. Tall and handsome, has the look like he doesn't have a care for the world all the time. Actually, he is very detailed with things, very filial to his parents, loves his younger sister, and like Bai Lin, is also fond of cross country bicycling. Has a pair of God given skillful hands. Even the worst broken mountain bikes can appear as new after being under his hands. Has a secret crush on Lan Lan, but because of his background and Bai Lin, he has the desire to yield and withdraw time and again.

male, 19 years old. Yu Si's high school friend. Underneath the thick pair of glasses, he has a huge face that provokes the handsome and elegant people to feel pity for him. Has a shy and strongly bashful character. Is not good with words and when he gets nervous, he would stammer, becoming the object that people make fun of. Has a crush on Xiao Tong.

female, 17 years old. Yu Si's younger sister. Graceful and timid, has her mind set on growing up quickly. Is full of longing toward love. Has a crush on Bai Lin and for this reason she does lots of funny and cute actions. In the end, because of a difference in status, she was ashamed of herself and her appearance changed. Later she was coerced by Xiu Yi and was used as a tool to strike out at Bai Lin and Yu Si, causing her to feel very depressed.

male, 20 years old. Bai Lin's high school and college classmate. Has a refined nature, requires every thing to be perfect, has a cleanliness disorder. On the surface he treats Bai Lin as a good friend, but privately, he treats Bai Lin as his only opponent in competitions for the purpose of seeing who is the best with Bai Lin and also in getting into the bicycle race team to fight over for the first place. He is overbearing and arrogant and looks down on people that are not equal in quality to himself. He takes the opportunity to provoke the hostile conflict that grows between Bai Lin and Yu Si.

female, 19 years old. Yu Si's high school classmate. Appears to be a tomboy that is not afraid of anything at all. Is good buddies with Yu Si. But actually, she has had a crush on Yu Si for a long time and only dares to tell Ah Ni about what her feelings are.

female, 40 years old. Bai Lin's mother. She never had to worry about food or clothing throughout her life. Her parents treat her as the apple of their eyes, her husband treats her as a little princess which built her innocent and worriless character. Unexpectedly, the family status changes quickly; her husband suddenly announces bankruptcy and also ran away from home. It frightened and alarmed her, causing her to not know how to respond. Fortunately, she had the help of caretaker, Li Qiu's whole family. Helping her to mature and also meeting up with her first love, Lan Tian. When she is on the verge of launching into the 2nd relationship in her life, her husband comes back again…

female, 40 years old. Yu Si's mom. The caretaker for the Bai family. Natural loud voice, cheerful and enthusiastic. Seeing that Bai Lin is not able to get any family warmth, she couldn't help but treats Bai Lin with extra love causing Yu Si to frequently get jealous.

male, 40 years old. Lan Lan's father. A handsome, middle age industrialist. All the years that have passed have not changed his appearance at all. Instead, it seems to have added to his charm. Incidentally meets up with his first love, Fei Wen Li, causing ripples to raise up in his heart.

male, 40 years old. Yu Si's father. Bai family's chauffeur. Acts wooden and speaks few words but he was once young and wild too. After the Bai family's bankruptcy, he took the opportunity to retire and also started his composer dream which he has since he was young. Started a succession of daring, maddening, and funny actions. He, who seems to be the wishy-washy type, towards life, he actually has a very profound and deep knowledge, always giving Bai Lin and Yu Si some good ideals.

female, 30 years old. Zhong Qiang's secretary. She's been with Zhong Qiang for a long time. Is a very helpful worker and also a very close friend. At Zhong Qiang's worst time, she would still stay by his side and didn't leave or abandon him.