Big Windup! (2007)

Twins Kazuya and Tatsuya, and their neighbor Minami have played together since they were children and built an unbreakable bond. But with puberty, the twins realized something: Minami is a girl, and three is a crowd. As the trio tries to preserve their relationship, Kazuya's pledge to make Minami's dream come true by taking her to Koshien with his baseball pitching skills makes the slackerish Tatsuya wonder about himself, and his own goals. But Minami has another dream she wants fulfilled, and as the twins continue to push themselves, with Minami in the middle, a life-changing tragedy leads one twin down a path he once never would've considered...

In the story, Kagami Taiga has just enrolled into Seirin High School when he meets Kuroko Tetsuya of the school's basketball team. Kuroko happens to be the shadowy sixth member of the legendary Generation of Miracles basketball team. Together, Kagami and Kuroko aim to take their team to the inter-high school championship - against Kuroko's former teammates.

Hiromichi Kojima, the star batter of the Lycaons, heads to the southern Japanese island of Okinawa to train and find a new pitcher for the team. There, he meets Toa Tokuchi, a 134-kmph pitcher and the undisputed king of a gambling form of baseball called "One Outs". At Kojima's urging, Tokuchi signs up with the Lycaons under an unusual contract: he gets 5,000,000 yen for every out he pitches, but loses 50,000,000 yen for every point he gives up. A high-level psychological game of baseball, gambling and logic is about to begin..

Tennis prodigiy Ryoma Echizen enters the tennis powerhouse Seishun Academy. Once he fights his way onto the team, the game will never be the same.

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Sora joins the high school basketball club, but his unmotivated teammates don't care about the game. To get anywhere, he has to change their minds.

High school freshman Hotaru Hinase has a vibrant life full of family and friendship, but not much luck in romance. That all changes when she makes a warm gesture to her handsome and heartbroken classmate, Hananoi, leading to him asking her out and her becoming flustered. Witness a girl who grapples with the enigma of love and a boy who is heavy handed with it.

As a child, Masamune Makabe once suffered greatly at the hands of a wealthy and beautiful girl named Aki Adagaki, who nicknamed him "Piggy" due to his chubby appearance. Seeking revenge against his tormentor, Masamune works hard to improve himself and returns as an incredibly handsome, albeit narcissistic, high school student. When he encounters Aki once again, he is prepared to exact vengeance. With the aid of the rich girl's maid, Yoshino Koiwai, Masamune slowly begins to build his relationship with Aki, intending to break her heart when the time is right. However, as his friendship with Aki begins to grow, Masamune starts to question the objectives of his devious plans, and if bringing them to fruition is what his heart truly desires.

When the intimidating Rintaro meets the open-minded Kaoruko, the unlikely duo grows closer. The issue? Their neighboring high schools hate each other.

Puberty Syndrome—a rumored, mysterious syndrome that only affects those in their puberty. For example, a bunny girl suddenly appeared in front of Sakuta Azusagawa. The bunny girl's real identity is Mai Sakurajima, a teenage celebrity who is currently an inactive high school senior. For some reason, her charming figure does not reflect in the eyes of others. In the course of revealing the mystery behind this phenomenon, Sakuta begins to explore his feelings towards Mai. Set in a city where the skies and seas shine, Sakuta unfolds the meaning behind his bizarre encounters on women with the said syndrome.