Has a very enthusiastic personality, comes and goes as she likes, a typical, impulsive Aries girl; but in the deepest part of her inner self, she is extremely sensitive. In front of others, she is full of energy and very carefree but when she is alone, she is often enveloped within dark clouds.

A childhood accident caused a permanent scar to be left behind on her chest forever and this scar molded her inferior complexity, forcing her to always dress neutrally. As long as she thinks about the memories of when she got hurt, she would unconsciously touch the "fish" shaped necklace she wears or grabs her collar. Her inner self hopes to be able to be freed from these shackles. She likes to collect all things that are related to "fishes" because on the day of Valentine’s Day, a practical joke and drowning experience brought for Xiao Feng's life a "Love Contract."

Wants to be an international swimming athlete. He has a suitable body structure along with a cool, handsome face and a beautiful hair color. He is the ideal sweetheart of lots of girls. His parents are immigrants from Japan. He formerly lived in Japan. His father passed away when he was in elementary school and he followed his mom back to Taiwan to settle down.

Because he experienced the downfall of his father's business and the decline of the family fortune during his childhood and along with the early death of his father and the fact that he and his mom has to depend on each other, therefore he appears more mature than other kids that are his age.

Has the solidity and practicality of a Taurus’s personality. Hopes to be financially and economically independent so that's why he works as a bartender in the evenings. He is used to concealing all his worries within himself. He is not someone who would let his emotions show on his face. His father's early death causes him to be slightly withdrawn from social interactions but he does not close up within himself at all. He, who loves swimming, believes that the world within the water is a world that is free and without any pressures.

Hangs out with Xiao Bai, Mu Tou and Xiao Feng almost every day, regardless of eating, drinking, playing, or having a good time. He is very good at sports and is the swimming team's top athlete but he does not really care about the swimming team's competitions much. His appearance is rough and has a manly air about him, yet he doesn't miss out on his handsome demeanors.

He mistakenly takes Xiao Feng's casual birthday wish seriously and secretly comes up with a plan for a "Love Contract" with Xiao Bai and Mu Tou in hopes of making Xiao Feng's birthday wish come true. They all agreed that they will not reveal this secret no matter under whatever circumstances. Furthermore, in order for them to participate in a competition, they used this as a condition to draw up a "Love Contract" with Ah Ken, requesting that Ah Ken date Xiao Feng.

Started dating with Ah Kai since college. Is very considerate towards Ah Kai, but because her personality is overly reliant on others, she tends to be oversuspicious. Under this pressure, Ah Kai decides to change their relationship from lovers to ordinary friends with Xin Lei. Yet, at first, Xin Lei wasn't able to accept this. When she finds out that Ah Kai likes Xiao Feng, under her jealously, she becomes hostile towards Xiao Feng. Later, because of Xiao Bai's attentiveness and consideration, Xin Lei slowly accepts this late arrival of happiness with him.

Is someone who is very self-evident and kind-hearted. When he was young, after his mother left him and his father, this influenced the way he sees girls in the future. Xiao Bai likes to use sweet words toward girls; he is truly an out-and-out playboy. He has lots of sly ideas and likes to offer other people advices. He is a delightful character to his friends.

He likes to make bets with other people. All the things in his every day life, whether big or small, he would like to make bets on. Seeing how Xin Lei's love for Ah Kai causes her to unceasingly do things for him, as a result, Xiao Bai starts to develop feelings for her. One day, Xiao Bai meets the mother, who had abandoned him in the past, at a street corner. He didn't know what to do but, fortunately, under the encouragement and support of his good friends, he was able to accept his mother once again.

A guy who only plays ball and chats online. Gentle personality, a typical Capricorn guy. Is the boring type within the group of friends, always standing them up. Even though he has a secret crush on Xiao Feng and doesn't dare to express his feelings, he still silently likes Xiao Feng and supports her. For a long time, he uses the nickname Ah Shui to chat with Xiao Feng's nickname of Yu, becoming Xiao Feng's close friend through e-mails and helping her solve life's difficulties and confusions. As for Xiao Feng, she has no idea that this is the role that Mu Tou acts out all along.

Mu Tou is the only person that is against the "Love Contract." Later, when he finds out that Xiao Feng has fallen in love with Ah Ken, under his jealously, he uses the identity of "Ah Shui", a close internet friend, to secretly destroy the relationship between Xiao Feng and Ah Ken. During the process, Mu Tou feels the love that Xiao Feng has for Ah Ken and so he gives them his blessing.

A make-up artist, has an intense sensitivity towards fashion. Has a completely opposite personality than her younger sister, Xiao Feng. She is often being mistaken for being Xiao Feng's younger sister. Towards Xiao Feng, she is always one hundred percent supportive and protective. Also, it is because of Xiao Yun's help that Xiao Feng was able to dress up in a more feminine way.

Xiao Yun falls in love with a famous person who is married. Under the help of Xiao Feng and Xiao Feng's college friends, she finally sees Jeason's true colors. After her break-up with Jeason, she finds out that she is pregnant and in her grieving state, she leaves Taiwan by herself to give birth to the child.

A woman who would do anything for love with no regrets; operates a Pub -- The One, with Tom, a man whom she deeply loves. Two years ago, on Doris's birthday, Tom was badly burned due to an accident. On the day of the accident, Tom's hand was tightly holding onto a small ring box (Tom was hoping to propose marriage to Doris on the day of her birthday.)

Doris doesn't care about Tom's appearance after the injuries, but Tom feels that he is not good enough for Doris. Therefore, after making a cup of Doris's favorite coffee and leaving a letter behind, he has not appeared again.

Seven years ago, her husband passed away due to an illness and she moved back to Taiwan with Ah Ken to settle down. She and Ah Ken depended on each other. Suffering from years of asthma, she always has a worn out, sickly appearance. She is a very kind person. She is very understanding and seems that there are lots of things that she knows about, to the extent that she has the ability to foresee certain things that would happen. Sometimes she will warn the people around her about certain simple things but afterwards, she would be so right that it causes people to be surprised.

Before she passes away, she returns to the place when she was young, where she met, get to know, and fell in love with her husband with Xiao Feng and Ah Ken to dig up the "time capsule" that she buried away before she left Taiwan more than 10 years ago.

He is completely a comedic entertainer. His personality is totally different from Ze Li's. He is a true optimist. He comes all the way from Japan to Taiwan to visit his only sister. He meets Doris at the place where Ah Ken works and fell in love at first sight. He did everything he could to try to express his feelings to Doris, but he would always make a fool of himself.

He and his wife have had an agreement a long time ago that they don't have feelings for each other anymore. It is only for the purpose of keeping the family intact for the children that they forced themselves to maintain their husband/wife relationship which is in name only. He has felt very guilty due to his negligence which has caused Xiao Feng the scar on her chest many years ago.

(portrayed by Cheng Xiu Ying) - 47 years old, female, Xiao Feng's mom.

Has a beautiful and virtuous face. Towards her two children, she is very supportive of their dreams. Towards her husband, she has no feelings for him anymore. Even though she maintains a false pretense in front of her children, but deep within her, she is feeling very empty and helpless.

Admires and worships Doris a lot. In order to "fight" with Fu Bu Gan Jiu, he would often do foolish things that would make everyone laugh. He is Fu Bu Gan Jiu's sworn rival.

A married, well-known celebrity. He is always acting the noble gentleman in front of Xiao Yun but actually, he is just a sweet talker, a playboy who plays with women's feelings.

A lively and cute country girl with a very pretty appearance. She is Xiao Bai's childhood playmate in the Southern countryside. Even though she likes Xiao Bai and for Xiao Bai, she goes to study in the same college too, but Xiao Bai only regards Lisa as a younger sister.

The boyfriend that Doris longs for. He is like a phantom. He has never appeared before… Only communicates through telephone and mail with Doris. Whether Tom exists or not... that is another question.