Obachi-chan
Supporting
Kiriyama, Tomoka
Obentouman
Supporting
Nakamura, Daiki
Odatedori
Supporting
unknown
Ojisan Dokei
Supporting
unknown
Okaasan Mushi
Supporting
unknown
Okaka-chan
Supporting
Minagawa, Junko
Okayu-chan
Supporting
unknown
Okorimushi
Supporting
unknown
Okowa-chan
Supporting
unknown
Omocha Tenshi
Supporting
Nishihara, Kumiko