(portrayed by Ken Zhu) –

            The main actor of the story.  Mr. and Mrs. Song Pu’s only son.  He frequently goes to the library to read and is very interested in all books that are related to architecture.  When he was in Junior High School, he joined the tennis team.  At the moment, he is not participating in any extracurricular activities.  After school, he works part-time at Junk Jungle.  He is very popular at school.  Moreover, he is smart and handsome and also great at sports.  As a result, he becomes the idol of all the female students.  However, he has never had a steady girlfriend.  After he becomes part of Guang Xi’s family, he starts to develop feelings for this, name-only, younger sister.  He often likes to play jokes on Guang Xi.

(portrayed by Stella Huang) –

            The main actress of the story.  Naïve thoughts, lively and optimistic personality.  Has been living a very simple campus life all along.  But after her parents made the decision of “remarrying again,” a big change came about for her lifestyle.  Not only do they have to live together with the Song Pu family; moreover, she has to live under the same roof as the Song Pu family’s son, You.  As a result, she indirectly falls into this love triangle with Yin Tai and You.

(portrayed by Gao Hao Jun) –

            An impatient and naïve hot-blooded teenager.  Is Guang Xi and Ming Zi’s classmate and is also in the tennis team as Guang Xi.  When he was in Junior High School, he was always hanging out with her and is Guang Xi’s first love.  Later, because of a small misunderstanding, they broke up.  Actually, he still likes her very much within his heart.  When he plans to pursue Guang Xi again, Song Pu You, a very difficult to handle opponent, appears.  In order to not give Guang Xi over to You, Yin Tai decides to confess his feelings to her.

(portrayed by Lin Li Fei) –

            Firm and stubborn, has an enthusiastic and bold personality.  A beautiful young girl who will take the initiative when it comes to love.  Is You’s classmate in middle school.  The third year of middle school, she and You dated for 3 months.  Although they broke up in the end, but she is still not able to forget You.  Even though she knows that You likes Guang Xi, but she still refuses to give up.  Moreover, in order to show off to You, she convinces Yin Tai to act as her boyfriend.  She is now studying at the same school as Liu Fan Tian Wu and is surprised that she is very popular among the male students.  In addition, some students even established a Ya Li Shi fan club for her.

(portrayed by Lin Li Wen) –

            A young lady who comes from a wealthy family.  Has a gentle and quiet nature, mature thoughts.  Since Junior High School, she is Guang Xi’s best friend.  They exchange diaries to tell each other of things that are on their minds.  Ming Zi has always been in love with her teacher – Ming Cun.  They would often secretly meet up in the library because the love between a teacher and a student is forbidden within the school.  They have always been keeping this secret.  Although she is Guang Xi’s best friend, but even Guang Xi doesn’t know about this secret.

(portrayed by Zeng Guo Cheng) –

            Guang Xi’s father.  During college, he was a member of the tennis team.  At the present, he is working at a bank.

(portrayed by Guo Jing Chun) –

            Guang Xi’s mother.  Although her cooking skills are really bad, she is always forgetful, doesn’t think before she acts, but she is very caring towards Guang Xi.  After she remarries to You’s father, she changes her name to Song Pu Liu Mei.  She is working at Sa Jing Beverage Company at the moment.

(portrayed by Tang Zhi Wei) –

            You’s father.  However, You don’t believe that Yao Shi is his biological father.  He is very good at math and is working at a trading company now.

(portrayed by Ni Shu Jun) –

            You’s mother.  Although she is You’s mother, but she is also very loving towards Guang Xi too.  After she remarries to Guang Xi’s father, she changes her name to Xiao Shi Chuan Qian Mi Zi.  She has a job selling cosmetics.