★Let’s experiment with various abnormal sexual habits with new friends
*About this work
This work is a sequel to “Let’s experiment with various abnormal sexualities 3”.
Although it contains spoilers from the previous work, you can enjoy it even from this work.
◆Synopsis
A certain laboratory located underground somewhere on Earth.
Doctor [Polo] and his assistant [Eve] have been doing research “for humanity” every day, but somehow a new friend [Eva] has joined them.
“Wow, I slept well… Eve-senpai, what’s for dinner?”
Eva has become accustomed to the underground laboratory.
However, he still refuses to participate in the experiment on his abnormal sexuality…and with Poro’s voice, the experiment with Eva as the subject is about to begin.
“…So, what kind of experiment are you going to do…?”
“Well… wall ass, medicine, tickling, dog molestation, strangulation, electric current, freezing, submersion, fear, dollification, physical growth, physical regression, rings, spoiled, beheaded, botched Belly, futanari, tentacles, anal, cum drinking, sensory sharing, belly panting, egg laying, navel sex, brain sex, body swapping, ear licking, nipple torture…I’ll have sex with you!”
“Are you going to do all of that abnormal fetish!?”
The mysteries of humanity, abnormal propensities…Eva becomes a new member of an underground laboratory and is forced to experiment with herself.
■Specifications
〇Number of new basic CG: 17 + α
(Including 16 HCG / 1 non-HCG)
〇Total number of CGs: 539
(Main story: 314 sheets, CG scene only, no text effects version: 225 sheets)
〇Size: 1200×1600
