Voice of Submission II: Gehenna #1-7 + Secret Plot #1-8 + Secret Plot Deep #1-7 - Manga - Adult only - 22x sc - 3x complete serie - Primeira edição - (1996/1998) - Catawiki
Secret Plot, Vol. 1: NeWMeN: Amazon.com: Books
Mayumi-sensei Comics - Comic Vine
Deep Insanity - Wikipedia
What are the deepest manga that you know? - Quora
Secret Plot Deep (FUJIMI COMICS): 9784894212138 - AbeBooks