(C70) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2
(CR27) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Hatsutaiken+ Plus
(COMITIA111) [Okosama Lunch (Deburasu, Hirayan, Nishinozawa Kaorisuke)] Okosama Lunch Kagaijugyou 3
(C80) [Okosama Lunch (Nishinozawa Kaorisuke)] Okosama Parfait in Comic Market 80 (Various)
(C56) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou
[Okosama Lunch (Nishinozawa, Hirayan)] Okosama Lunch Box G (Various)
(C71) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2+ Plus
Okosama Parfait in Comic Market 80
(C58) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Natsu no Omohide
[Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou Light