[Atelier Dr.HEAD'S (Katou Chakichi)] Ice : Metallica (Jormungand) [アトリエDr.HEAD'S (加藤茶吉)] ICE:METALLICA (ヨルムンガンド)

[Atelier Dr.HEAD'S (Katou Chakichi)] CHACKEY works [Digital]

[Atelier Dr.Head's (Katou Chakichi)] Jonah hon Shitagaki Shuu - Katoucha Kichi

[Atelier Dr.HEAD'S (Katou Chakichi)] Chi to Shouen to Kyouki no Inu (Jormungand) [Digital]

(Shota Scratch 18) [Atelier Dr.HEAD'S (Katou Chakichi)] Cherish Weapon (Jormungand)

(Shota Scratch 22) [Atelier Dr.HEAD'S (Katou Chakichi)] Jonah Bitch (Jormungand)

[Atelier Dr.Head's] osuinu bitch

(C72) [Aa, Warera Katou Hayabusa Sentoutai (Katou)] AIR XX [English]

(Shota Scratch 18) [Atelier Dr.HEAD'S (Katou Chakichi)] Cherish Weapon (Jormungand) [Chinese] [黑夜汉化组]

(C83) [Atelier Dr.HEAD'S (Katou Chakichi)] Chi to Shouen to Kyouki no Inu (Jormungand)

(C82) [Atelier Dr.HEAD'S (Katou Chakichi)] Nukarumi no Sekai (Jormungand)