The official English translation of Kotaro Lives Alone is available digitally. While not always formatted as a downloadable PDF, Viz Media offers a "Read Online" feature via their app.
Tatsuya Hiruta’s art captures the speed and impact of karate better than almost any other mangaka of the era.
This modern masterpiece is a "seinen" (adult-targeted) story disguised as a cutesy slice-of-life. It follows 4-year-old Kotaro, who moves into an apartment by himself and speaks like a feudal samurai lord.