Eyeshield 21 (2005)

Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team.

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.

"Keijo" is a popular gambling sport where contestants stand on platforms floating on the water and must use their butts and chests to fight against each other to push each other off the platform. Nozomi Kaminashi, a high school student, aims to join the sport after she graduates. Nozomi was raised in a poor family and hopes to make lots of money by playing Keijo. She grew up training in gymnastics, and she has good balance and flexibility. After high school, Nozomi joins a training boarding school and enters the world of Keijo.

After dreaming about an anime she used to watch as a child, Minoa Asagaya could not forget a particularly memorable scene. However, despite her best efforts, she cannot recall the name of the show. Due to this, Minoa asks for help from her fellow classmates at Sakaneko High School. Her conversation is overheard by Arisu Kamiigusa, the most popular and wealthy girl in class who is also a hardcore otaku. Yet even with her vast knowledge, Arisu does not recognize the show. After discovering that there isn't an anime club at their school, Minoa and Arisu create the Anime Research Club, as they may obtain the answer to Minoa's mystery if they gather people who share the same interest. Thus, Minoa is exposed to a bizarre new world—the world of anime!

Hida Kizuna possesses the HHG (Heart Hybrid Gear) ability, but it is not strong enough to make him particularly important. His older sister calls him to transfer to a strategic defense school, where many of the students (many of which are large-breasted girls) use their HHG abilities to fight invaders from another world while wearing extremely skimpy pilot outfits. Kizuna's fighting ability doesn't measure up, but his sister has another plan—apparently having erotic experiences with Kizuna will allow the girls to replenish their energy or power-up. It looks like his new school life is going to be full of embarrassment.

Earth faces an unprecedented threat from an invasion by the mysterious Kiseichuu. The Kiseichuu feed on human sexual energy, also known as “H-energy,” and weaken the human population. High school student Retto Enjo is a member of the hero group HxEROS, who fight together to save the earth from the Kiseichuu.

Sakuragi Hanamichi is a junior high punk used to getting into fights and being rejected by girls but upon entering high school he meets the girl of his dreams, Haruko Akagi. He will do anything in order to win her heart including joining the school basketball team that is aiming to conquer the nation lead by Haruko's brother. The problem is that Sakuragi has never played basketball before and a freshman sensation is stealing the spotlight and Haruko's affection from him.

A “small” new student, Ushio Hinomaru, appears before the weak little sumo club of Oodachi High School! The words “big” and “heavy” are the rules to this sport, which does not fit this newbie any inch, but this guy goes and does what...!? Ushio and the small sumo club climbs its way to the top! The goal is Hinoshita Kaisan, a title for the highest rank in professional sumo, equivalent of Yokozuna.

When Mafuyu Oribe and her adopted sister Tomo rescue a strange wounded man, they have no idea what they’re getting involved with or what the consequences will be. Alexander Nikolaevith Hell is an Iron Qwaser, one of many opposing factions of super-warriors.

Kyosuke Kano has lived under the shadow of his successful brother Seisuke all his life who is a professional soccer player.