A collection of short stories. Nanatsu no Taizai (七つの大罪) - Shounen Magazine #52, 2011The original pilot one-shot for Nanatsu no TaizaiMayoe Kohitsuji-tachi! (迷え子羊たち!) - Ultra Jump #1, 2010 - #2, 2011Cowgirl Tai...

Magoroku is a freshman from Namishiro high that posses a very great talent to become a koshien-level pitcher but he's not satisfy with that as namishiro is known as brutal high school, so with his power beyond...

A terrible personality and zero athletic ability. Besides that, Shogi prodigy Ayumu Narigane, also known as Narikin, has become a professional player at 14. By some chance, he comes across a struggling soccer...

From MangaHelpers: Second baseman Kaizu Chiaki is a normal senior high schooler who aims to reach the Koshien with his teammates and worries about his future career. One day, a new teacher arrives at his...

Centered around three Hall Of Famers Magic Johnson, Michael Jordan and Charles Barkley.

Original Webtoon: Daum, KakaoPage

New high school student Kunimura Kaoru joins the Archery Club in hopes of meeting an old acquaintance, but this Archery Club is a bit odd, and the girl he came looking for may be slightly different than he...

Original Webcomic

Original Manhua: Migudm, Mkzhan

Original Manga: Manga Hack, Comic Nettai

(from amazon.jp and wikipedia.ja): Volume 1: A karate manga made by Ikki Kajiwara and Jiro Tsunoda, just before "Karate Master" (空手バカ一代, Karate Baka Ichidai). It was serialized in the "Adventure King" (Boken-oh...

Niimi Katsuya and his best friend Karasawa Susumu, star sportsmen in track & field and judo respectively, spot a beautiful girl, Nakao Yuri, at their new high school. When they find out that she is the daughter...

Woo-sang is a national swimmer who's always pursuing the number one spot. Won-il is a swimming prodigy who stopped participating in the sport, and now wants to make a comeback. Not only do they become rivals...

Original Webtoon