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.

Included one-shot: Volume 3: Ai, Aru Seikatsu