Apartment building manager by day and electronic music composer by night, Kiyosumi enjoys his "clean and simple" existence free from relationships and distractions. He only needs his music, or so he thinks. One day, he gets an unexpected admirer as a distressed female neighbor destroys both his room's window and his solitude...

Lee Ma Ha is a member of the new K-pop girl group Tea Party, formed by Ji Hak, who was once the manager of the famous boy group Shax, but resigned after the sudden disappearance of member Eun Jo in the middle of a concert. Prior to joining Tea Party, Ma Ha was a member of the group Omega III, which disbanded on its debut day due to a tragic incident involving a former trainee at the group's company. This led Ma Ha to support herself by performing as an impersonator of the popular solo singer La Li Ma, gaining her public notoriety. Starting anew with Tea Party, Ma Ha finds herself repeatedly crossing paths with Kwon Ryok, the center and most popular member of Shax who is still haunted by Eun Jo's disappearance three years later. While Ryok initially dislikes Ma Ha due to her imitation of Li Ma, the two eventually begin to grow interest in one another and start a secret relationship that could put both of their careers in jeopardy. Meanwhile, Lee Yu Jin, Ma Ha's loyal friend who is the center of the rising boy group Sparkling, has been in love with Ma Ha since their idol trainee days. When he notices the budding relationship between Ma Ha and Ryok, he determines to protect her from Ryok and lead Sparkling to beat out Shax as the most popular boy group in the industry.

Four high school classmates Aki, Shun, Kaoru and Teppei form the band called Crude Play. However, just before their debut, Aki suddenly quits the band and is replaced by Shinya. The band achieves a new-found popularity on the music scene. Meanwhile Aki, who now composes, continues to provide his music for them but finds himself feeling increasingly tired and somewhat jaded from the music business. One day, on a whim, Aki asks female high school student, Riko, if she believes in love at first sight. Charmed by his humming, she easily falls for him and they start dating, When Aki learns that Riko is a big fan of Crude Play, he keeps his association with the band a secret from her. But how long will he be able to keep his secret?

Romance develops between Hachi and TRAPNEST's bassist Takumi as well as with the Black Stones' guitarist Nobu. Meanwhile, Nana works hard for her band while trying to find happiness. Both girls struggle through life, and try to keep their friendship from falling apart.

Two girls meet on a train headed for Tokyo. The bubbly girl in white is named Nana and she sits next to a black clad rock girl named Nana as well. They talk briefly and seem to share some common bond, before leaving for their own separate ways. When bubbly Nana looks at an apartment for rent in Tokyo, of course black clad Nana would be there and wants to rent the same apartment. Instead of trying to decide who should get the apartment they decide to share the apartment as roommates. From there their bond grows closer as they help each other deal with their own personal problems.

Tightly clutching his Gibson guitar, Mafuyu Satou steps out of his dark apartment to begin another day of his high school life. While taking a nap in a quiet spot on the gymnasium staircase, he has a chance encounter with fellow student Ritsuka Uenoyama, who berates him for letting his guitar's strings rust and break. Noticing Uenoyama's knowledge of the instrument, Satou pleads for him to fix it and to teach him how to play. Uenoyama eventually agrees and invites him to sit in on a jam session with his two bandmates: bassist Haruki Nakayama and drummer Akihiko Kaji.

Satou's voice is strikingly beautiful, filling Uenoyama with the determination to make Satou the lead singer of the band. Though reticent at first, Satou takes the offer after an emotional meeting with an old friend. With the support of his new friends, Satou must not only learn how to play guitar but also come to terms with the mysterious circumstances that led him to be its owner.

A girl who loves to sing, Nino Arisugawa experiences her first heart-wrenching goodbye when her beloved childhood friend, Momo, moves away. And after Nino befriends Yuzu, a music composer, she experiences another sad parting! With music as their common ground and only outlet, how will unrequited love play out? Since both boys promised Nino that they would find her one day through her singing, she holds on to that hope and continues to reach out with her voice. Now in high school, Nino serendipitously reunites with Yuzu, but she yearns to see Momo again.

The Moorim School is a hidden school which can only be seen by special individuals, and it isn't focused solely on high academic scores but on physical abilities. The school teaches its students great virtues, which include honesty, faith, sacrifice, and communication. The teachers and students at the school come from different countries, and each has their own stories. Everything is extraordinary and normal until a student who doesn't seem to fill the role wanders into the academy and changes the destiny of all the students

Shan Cai, whose parents are far from wealthy, attends Ying De University, the private school established exclusively for rich students. Besides being looked down by rich classmates, she has angered the leader of F4, Dao Ming Si. F4 comprises of Dao Ming Si, Hua Ze Lei, Xi Men, and Mei Zuo, who are the heirs to the four richest families. Their families are the founder of the school and nobody dares to cross them. Shan Cai isn't afraid to stand up to DMS, an act that nobody has done before, and sparks Dao Ming Si's interest in her. However, his constant torture of her has made her miserable while she falls in love with the gentle Hua Ze Lei, who comes to her rescue. Can Dao Ming Si win her love despite his cold and cruel exterior? What happens when his mother decides to use every trick there is to keep them apart? Can they adjust to each other's differences due to their vastly incompatible social status?

F4 graduates from Ying De Xue Yuan. Dao Ming Si invites Shan Cai to go on F4's graduation trip with them to Spain, which is actually F4's way of letting Shan Cai and Dao Ming Si spend some time alone. Dao Ming Si and Shan Cai becomes inseparable during the trip. Just before Shan Cai and Si leave for Spain, Hua Ze Lei gave Ah Si an envelope with a "smart advice" in it. When Ah Si opens the envelope, he finds that the advice from Hua Ze Lei was to ask Shan Cai to marry him in an old church with a legend. Dao Ming Si buys a "Meteor Ring" which Shan Cai had her eyes on, and prepares to propose to her in a church that had special meanings of "love".

However, on the way to the church, Dao Ming Si gets into a car accident which had causes him to lose his memory. He met Ye Sha at that time, who helps him and looks after him. The sudden disappearance of Ah Si causes Shan Cai to worry, so she asks Jing to help her. The other three members of F4 also came to Spain immediately after they hear the news.

What follows is a story full of ups and downs as Shan Cai tries to find Dao Ming Si and help him regain his memory.

In this continued story of Meteor Garden, the love story of Xi Men and Mei Zuo are shown. The reason why Xi Men is such a playboy is revealed, as well as Mei Zuo's own love story since he was in elementary school.

After watching a high jump competition on TV, Lu Rui Xi was so inspired by a jumper named Zuo Yi Quan that she decides to transfer to his school, which happened to be an all-boys school; therefore, she disguises herself as a boy to get accepted. At the school, Rui Xi befriends Jin Xiu Yi. One day during a friendly soccer match, Rui Xi is knocked unconscious by Xiu Yi. Quan carries her to the infirmary and realizes that Rui Xi is in fact a girl! However, Quan keeps her identity a secret. At the same time, Xiu Yi starts to question his own sexual orientation when he finds himself having feelings towards Rui Xi.

Tae Joon became Jae Hee’s strength during her toughest time, and she leaves the US for Korea to enroll in a men’s physical education high school to help Tae Joon restart his high jump career.
Tae Joon announces his retirement from the high jump national team and closes his heart, but his closed heart begins to open after meeting Jae Hee.
Eun Gyul is confused about his sexual orientation as he falls in love with Jae Hee who is masquerading as a man. The student-athletes have a fun time training with each other and are not tied down to setting a record or competition.