Mahjong Oneshot included in the same volume as Death Pie, another longer mahjong manga by Shimamoto Kazuhiko.Related: http://mangapark.com/search?q=death-pie

17 year old exemplary student Bae Sugu lives alone with his father, the vice principal of his school. Weighed down by his father's expectations, Sugu has to hide his one true passion: swimsuits. He does not know where it comes from, but his passion is pure and genuine - and often misunderstood. But one day, when Sugu is secretly taking pictures of swimsuits by the pool, he is caught by his homeroom teacher who forces him into something ridiculous. Can Sugu find something to get out of the standstill his life has come to? Can his heart beat again? Webtoon from Naver

Enter our hero Wakadaishou! He doesn't have much interest in school; he saves his energy for all the excitement he can stir up after school. This is an early Adachi Mitsuru 'youth manga', filled with engaging characters, comic scenes, and a young hero with a zest for life.

Also included are the following stories:

• Isourou wa tsurai yo (Being a Freeloader Is Tough!, sequel to Isourou yori hitokoto included in Yuuhi yo nobore!! V.1) (V. 1)

• Kimagure Punch (Whimsical Punch) (V. 2)

Is all still fair in love when friendship is at stake?
Three friends, one childhood promise, and a boxing match that might just be instrumental in untangling a tricky love triangle.

May the best man win!

Mika is a regular girl who just goes day to day without any concrete dreams for her future. Until one day, when she sees her classmate Kaede playing pool in a billiards lounge. Kaede is a boy who hides many secrets... whose personality seems to change when he plays billiards. Entranced by the smile Kaede wears when he plays, Mika soon finds herself immersed in the game...!

Also contains the following short stories:

• Platinum in vol. 1
• Ichigo Namida (Strawberry Tears) in vol.2
• Wakasama no Jijou (The Youth's Circumstance) in vol. 2

Track and field star Nimi, sees a boy molesting a girl on a train and he falls in love with her at first sight, as he get off the train he watches a baseball game where the girl is crying, her father is the coach of the team and the team is losing badly, he then swear to join the baseball team to make her happy, but there are obstacles one of her childhood friends is a extremely talented baseball player and loves her, and is always proposing to her and trying to make her his, and then there is another girl the ace of the track and field team who has fallen in love with Nimi when he was still doing track and field, and is trying to make him hers.

A special collaboration oneshot between Nisekoi and Haikyu!!

Kyo Aizawa's father is a basketball devotee but has been forced to quit playing his precious sport because of an injury. Instead of himself working his way up to the NBA, he feels that Kyo, his daughter should fulfill his dream. To give Kyo a good start in her career of basketball he enrolls her in Seishu High School which is known for two things: its extremely cute girls' uniforms and their boys' basketball team. Not only does unhappy Kyo have to pretend to be a boy during the day (the basketball team members all live at the school to boost the team spirit), she has to do it day and night. The super-star of the team, Chiharu Eniwa, may be a good-looking, basketball champion, but his attitude towards Kyo is hostile from their very first meeting. Poor Kyo ends up roommates with the evil Chiharu. As they get to know one another, both sense that the other has a secret.

At a sport festival and upcoming calvary battle, the boys cheat and use a tactic of dressing up one of the boys into a girl to throw everyone off their game.

From Blu:

Watch as the worlds of anime voice acting and high school hockey collide! The boyishly handsome Shino is greeted at his front door one morning by the seventeen-year old son he didn’t know he had. Suddenly pushed into the position of being a father and a provider, Shino starts taking on new acting jobs, including boys’ love drama CDs, and the separation between art and life narrows significantly when his new coworkers start taking quite a bit of interest in him! As if that weren’t enough, his son Nakaya is a handful in and of himself. An aspiring hockey player with a bit of an attitude problem, Nakaya has a lot of growing up to do, and Shino is in for the long haul.

The sidestory, Nayamigoto, Attara ne? is compiled in Koimachi tankoubon.

From Intercross:
Yuuchi is a girl that has a passion for art.... or rather, HAD a passion for art. Because of her mother, Yuuchi had to give up her talents and love for painting. Still, she had made a promise to her baseball-loving friend, Natsu, that she'd paint a picture of him. With all hopes lost for her dreams, Yuuchi now must find the "hope" within herself to continue.

Kunimi Hiro and his best friend Hideo were baseball wonders... Until Hiro found out his arm was permanently damaged, rendering him unable to play anymore. A frustrated Hiro goes through the trouble of specifically finding a high school with no baseball team... Only to later on find out the doctor who examined him was a quack and his arm is perfectly fine. Hiro is quick to reinstate his dream: Creating a baseball team for his school and getting to face off against Hideo in the Koshien. The number one premier league for high school baseball.

A regular school boy, Hikaru Shindo stumbles upon an old GO board while looking through his grandpa's old storage room for something worth money. From inside the board came an old spirit named Sai who once dedicated his life to GO. Together, Sai continues to search for the move people call "The god's hand" while Hikaru slowly began interest in this ancient game and walks down the road of GO.

Won the Shogakukan Manga Award in 2000.

Rikitaro is a musician whose dream is to become a rock star just like Jimi Hendrix or Jim Morrison, but at the age of 27 that dream is fading away rapidly.
Ooishi is a 3 time world boxing champion who recently retired and is now in the entertainment world, shooting a boxing reality show.
These two unlikeliest of people cross paths one day, but both of them think nothing of it until weeks later. Rikitaro is given one last shot by a record label to sign a deal but before that, they need him to get into better shape so that he is easier to sell. He stumbles upon a boxing gym which also happens to be the same gym Ooishi is filming his show.
As fate’s wheels start to turn, neither man realizes that they will work together to train the best boxer ever, even better than Ooishi himself.

Atsushi Ando (15) moves back to his home town with his family after 6 years. The story focuses on the fortunes and misfortunes he encounters in this town mostly due to pranks pulled by the ghost of his older brother, Hitsushi Ando, AKA Q-Chan, whose death prompted the family to move away in the first place. The catch is, only Atsushi can see his brother's ghost.

From Viz:
Ryoma Echizen just joined the Seishun Academy's tennis team, which is known for being one of the most competitive teams in Japan. Its members are incredibly talented, gifted, and athletic. With rigorous and extremely intense practices, the upperclassmen of the team expect the very best from themselves and they expect even more from the new members of the team. While most of the freshmen are on pins and needles hoping they won't get cut from the team, Ryoma Echizen is confident, cool, and collected. Some might even say he's cocky, but at least he's got the skills to back up his attitude. With his virtually unreturnable "twist serve," Ryoma is sure to make the starting team.
Join Ryoma and the other first years, as they train hard, make friends, and try to find a place for themselves on the team. And meet Ryoma's cute but chronically shy classmate Sakuno Ryuzaki. She's got a big crush on Ryoma, but will he ever notice her? Ryoma Echizen is the Prince of Tennis. He may be ready for the Seishun Academy tennis team, but are they ready for him?

Sequel of Beach Stars, the story begins where it stopped in the first one.
Nanase, who's now the representative of her prefecture, has finally joined the Madonna Cup and will do everything in her power to defeat her one and only target: Hayakawa Sanae!

Kaname Okiura, a student of Prefectoral Umineko Shougyou High ("Umisho" for short), joined the school's swimming club in order to learn how to swim, but the club is filled with weirdos, let alone teaches him swimming. Then, a sunny, happy-go-lucky girl named Amuro Ninagawa who was transferred from Okinawa joined the club. Her extraordinary underwater speed and unorthodox swimming style (plus her personal habit of nude swimming—a powerful magnet to teenage boys) surprised every club member, especially Okiura, because she reminds him of a mermaid-like creature he saw only once in his early childhood.

Akagi, after being rejected by a girl that he likes and punched by a rival, Rukawa, for accidentally stepping into his confession moment with the girl, wants revenge against Rukawa for various reasons. He and his teammates decided to challenge Rukawa and his team against a game of basketball in the regional tournament. Who will win this basketball game?

Kurogane Hiroto is in high school, where he is academically the top of his class but literally the worst in physical activity. Born with a weak body, he has no endurance, speed nor strength and Hiroto wants nothing more than to be a hero. Fate teases him by giving him phenomenal eye sight, which allows him to see well beyond anyone else in sports, but his body is not able to react to any of it.

He learns from his friend Shiratori, who wants to recruit him for the Kendo team, about a rumor about a ghost named Tojo Sayuri, who wields a katana and haunts an alley in the city. Half curious, Hiroto goes there only to find that the ghost is real and that Tojo Sayuri has been looking for a successor to her Sakura sword style for 150 years. Sayuri chooses him as the successor after being able to dodge her attack and forces him to learn the Sakura style. Even with the help of the ancient swordsman ghost, Hiroto has to overcome his poor motor skills in order to be the hero he always wanted to be.

A collection of stories:

1-3. Tadashii Ace no Kouryakuhou
a.) Hiroto Fujiki is the ace on his high-school baseball team. He takes an interest in one of his groupies, only to find out that "she" is not who "she" appears to be.
b.) Ayumu Tsumori is acting as the manager of his school's baseball team, and he borrows a book from his sister to help improve their chances in an upcoming match. Following the book's instructions, Ayumu starts cross-dressing for the team.
c.) Masaki Mizuhara fills in on his sister's baseball team, and catches the eye of the team's ace pitcher Hirona Fujiki, the sister to Hiroto from the first oneshot.

4. Hypnotism Trick
When Touri Hirahara is hanging out with his two friends Kashiwagi and Kunieda, Kashiwagi says he can use hypnosis, so Touri decides to fake being hypnotized. However, things get out of hand when Kashiwagi "hypnotizes" him into believing he's a girl.

5. Ani Tsura
Kazuki Hasegawa started drifting apart from his younger brother Kazuomi after he started getting interested in anime, specifically a certain magical girl anime he's particularly obsessed with. Kazuomi has been doing bad on his tests, so Kazuki agrees to dress up as Kazumi from the magical girl anime so that he'll put more effort into studying.

6. Khaki P to Sumire-hime
Rei Kawasumi is the vocalist of his high school band Violets, but they're not very popular, so Rei goes to ask the advice of Haruhiko Tsuchiya, a popular composer who posts his songs online under the name Khaki P. Tsuchiya tells Rei that to gain popularity, he has to not only cross-dress, but also sound and act like a girl.

7. Moshi Bare
Rin Aihara transfers to a new school, but tries to keep her intense love of baseball a secret.