Because this is an older OVA (originally released between 1989 and 1990), it is not typically found on mainstream streaming services like Crunchyroll or Netflix. Instead, it is mostly hosted on niche video-sharing sites and archives:
: Yoshio is a day laborer living in extreme poverty in 1980s Tokyo during the economic boom. dokushin apartment dokudamisou episode 1 link
After some research, I found that "Dokushin Ryoku: Dokudamisou" is a 2007 anime series based on the manga by Kousuke Oono. The anime consists of 13 episodes. Because this is an older OVA (originally released
: The series was originally released on VHS and later LaserDisc. Collectors often trade these on Japanese auction sites like Mercari or Yahoo! Japan. Video Hosting Sites The anime consists of 13 episodes
Kenta smiles tightly. “I’m sure it does.” He eats his convenience store onigiri alone on the roof. It tastes like responsibility.