(C66) [HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK ~STILL IN MY HEART~ (Ragnarok Online)
(C67 [HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK ~EVER SNOW~ (Ragnarok Online)
(CR35) [HYPER BRAND (Ishihara Masumi)] Operation RAGNAROK ~MIDNIGHT BLAZE~ (Ragnarok Online)