This is the new Anthology series from Kill Time Communication (KTC).
It's the third series of this genre, the follow-up of Slave Heroines and the Tokiryoujoku anthology series.
Contents are: Rape, Tentacles, Oppai, Orgy, Futanari and more.
Credits for Volume 2: scanned by mangatrade, book provided through Romaji, original download provided by SaHa
Credits for Volume 8: scanned by mangatrade, book provided through Romaji, original download provided by SaHa
Everything's up now.