Used

<<Original>> Magical Girl : Beheading Witch : Sublayer / Hirokazu Hasegawa / Studio secret base

Used

<<Original>> The Book of the Holy Ninja : Collection of Unrecorded Works of Hirokazu Hasegawa 1 / Studio secret base

Used

<<Kamen Rider>> I will protect with great science! Kamen Rider Decade Hen I finally understood! / Studio secret base

Used

<<Yorozu>> DA-DA-DA-DA- / Studio secret base

Used

<<Yorozu>> 2005 at Dada Leak / Studio secret base

Used

<<Other anime and manga>> MEAN Haruka Uta Concluding Edition / Hirokazu Hasegawa / Kazumi Kurihara / Studio secret base

Used

<<Other games>> Gaiden (3) Hirokazu Hasegawa Hitotsu Super Robot War / Studio secret base

Used

<<Kamen Rider>> Protected by Amazing Science! Kamen Rider Decade Story - I've got a rough idea! / Hirokazu Hasegawa / Studio secret base

<<Yorozu>> Loveness.2 / Studio secret base