(C77) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Shin Hissatsu Waza no Kyoufu " – Turupeta Research Report
(C75) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Kessen Zenya" – Turupeta Research Report
(C74) [Tsurupeta (Various)] Tsurupeta Kenkyuu Houkokusho "Kakyuu Sentou In no Isshou" – Turupeta Research Report
(C73) [Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho "Tsurupeta Kyoudan no Yabou " – Turupeta Recearch Report
[Tsurupeta Kenkyuusho (Various)] Tsurupeta Kenkyuu Houkokusho 005 "Dengeki Jigoku" – Turupeta Research Report