Maruo Eiichirou, a first year honor student, one day decides he's unhappy with the way things are and lacks exercise. He finds a flyer for the Tennis Club and decides check it out. He's instantly captivated by it. With no prior experience and poor physical conditioning, join Eiichirou as he embarks on a tennis journey using his smarts, dedication and work ethic. (Source: One Manga)

Baby Steps won the 38th Kodansha Manga Award for the shounen category in 2014 and was adapted into a live-action TV drama series in 2016. In the final volume of the series, Hikaru Katsuki revealed that the manga's conclusion was decided by the publisher and not by her choice. Baby Steps was published digitally in English through K Manga.