[Chataro] Keiko no Iru Machi Sono 2 (COMIC Penguin Club Sanzokuban 2013-09)
[Chataro] Keiko no Iru Machi Ch.1-5
[Chataro] Nami SOS! Keiko & Chisato
[Chataro] Nami SOS! 5 Previous Story Girls Another Days Keiko - 001
[Chataro] Nami SOS! 5 Previous Story Girls Another Days Keiko - 002
[Chataro] Nami SOS! 5 Previous Story Girls Another Days Keiko - 003
[Chataro] Nami SOS! 5 Girls - Before - Keiko 011
[Chataro] Nami SOS! 5 Girls - Before - Keiko 012
[Chataro] Nami SOS! 5 Girls - Before - Keiko 013 (digial)