Hajime Machida, despite being a completely average teenager, is adored by his family, friends, and even his classmates. His kind and helpful nature leads to special encounters on a daily basis, whether it be with his younger siblings at home or just someone he meets on the street. Through these interactions and brand new experiences, Machida begins to learn more about himself and the differences between the various types of love. [Written by MAL Rewrite] Included one-shot: Volume 3: Ai, Aru Seikatsu

Machida-kun no Sekai won the 19th Japan Media Arts Festival New Face Award in 2015. In 2016, the series won the 20th Tezuka Osamu Cultural Prize New Creator Prize. It was also nominated for the ninth Manga Taisho Award and placed eighth in the final ranking.