[RJ384097] [ENG Ver.] Futanari Dick Lab ~Professor & Assistant’s Artificial Genital Development Record~

Summary [By dlsite.com）

A manga about a certain laboratory where the professor uses her assistant as a lab rat for testing artificial futanari dick development... and prowess!

The Laboratory of Artificial Genital Development.
Here, a lesbian professor is hard at work performing research & development on a very important subject.
The development of an artificial futanari dick that can make woman pregnant.
Her assistant, which just so happens to love the professor very much, is the test subject.

They finally make a breakthrough on artificial semen production, and the ejaculation mechanism.
Now to develop even more rich and creamy cum! Oh, and a BIGGER THICC'R DICK.
... But let's not forget to test the insemination proficiency of the semen too!

The professor and her assistant spend days on end banging and fucking and sucking and ploughing.
Because all truly good research needs to be thoroughly tested from ALL ANGLES of course.

Flirty dirty slutty sex you say? No no no, this is "research" in it's purest, most primal form!

23 main pages
Recommended for those that love seeing girls feeling massive pleasure from experiencing ejaculation.

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