(CR27) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Hatsutaiken+ Plus
 (C58) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Natsu no Omohide
 (C71) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2+ Plus
 (C70) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou 2
 (Kyonyuukko 05) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Pudding Alamode 11
 (COMITIA111) [Okosama Lunch (Deburasu, Hirayan, Nishinozawa Kaorisuke)] Okosama Lunch Kagaijugyou 3
 (C68) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Pudding Alamode 9
 (C56) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Kagai Jugyou
 (Kasunichibu Bussan-ten) [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama Lunch Natsu no Omohide Wantsu
 [Okosama Lunch (Nishinozawa Kaorisuke, Hirayan)] Okosama One Touch Selection Vol. 3