(C61) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama One-touch
[Shin Nanka Tou (Hirayan, Mumei, Nishinozawa Kaorisuke)] Minaide!
(C74) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama One-touch 7
(C81) [Okosama Lunch (Hirayan, Nishinozawa Kaorisuke)] Okosama One Touch 10
(COMITIA111) [Okosama Lunch (Deburasu, Hirayan, Nishinozawa Kaorisuke)] Okosama Lunch Kagaijugyou 3
Okosama Lunch Box G
(C89) [Okosama Lunch (Nishinozawa, Hirayan)] Okosama Lunch Box (Fun Fun Pharmacy)
(C67) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama One-touch 2x2.5
(C69) [Shin Nanka Tou (Various)] Negima! no Sukima! (Mahou Sensei Negima!)
[Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama One Touch Selection Vol. 3