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This is R-18 Monster Girls Artbook

Eastern region; nearly half of the entire region, is inhabited by humans. Western region is said to be where exiles traveled astray until they meet their ill-timed fate. However, being an exile is somewhat not a dreadful fate, as they have chance to witness the new wonder of beautiful, otherworldly creatures, known as Siluman. Humans are constantly fooled by rumors on what cruel, sadistic, bloodthirsty, man-devouring creature Siluman be. In existence, most of them are lovely and intimate creatures which inherited natural beauty and blessing of the nature itself. One is able to spread its wings and soar daintily amongst the blooming flowers. On the other hand, one is an embodiment of the great nature itself, where it’s granted for each step will turn even barren wastelands into lush woods. Despite their lack of curiosity and advanced knowledge compared to humans, Siluman’s beauty never fades as they age, even until their untimely death.

What other astonishments will Siluman provide as feast to your eyes? You shall soon uncover their true form.

Release date Mar 17, 2018
Rated 5.0 out of 5 stars
(4 total ratings)
AuthorSiluman Soft (NSFW)
Made withPaint Tool SAI, Corel Painter, Adobe Photoshop
TagsAdult, Erotic, Hentai, Lewd, mature, monster-girls, NSFW, Porn, r-18, sex
Average sessionA few minutes
InputsKeyboard, Mouse, Smartphone
AccessibilitySubtitles, One button


Get this comic and 16 more for $66.66 USD
View bundle
Buy Now$6.99 USD or more

In order to download this comic you must purchase it at or above the minimum price of $6.99 USD. Your purchase comes with a Steam key. You will get access to the following files:

[Siluman Soft(Doppel,Various)]Codex Libido - Mundus .pdf 108 MB
[Siluman Soft(Doppel,Various)]Codex Libido - Mundus[JPG].rar 15 MB

Development log


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this is s u s

sussy baka UwU meow

i didnt read the nsfw warning T_T

we have the non nsfw one for this one