Group hyper brand5

[HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK CUTIE CHASER (Ragnarok Online)

[BIG BOSS, HYPER BRAND (Various)] Yawakehon - The FEATHER book (Ragnarok Online)

(CR37) [HYPER BRAND (Ishihara Masumi)] Operation Ragnarok ~Kind Lady~ (Ragnarok Online)

(Puniket 07) [HYPER BRAND (Deden, Ishihara Masumi, Kawamura Yasuhito)] (Ragnarok Online)

[HYPER BRAND] CHARMY