Tentacle/Extra

Kenkou's Notes
EN= This time's monster girl is “tentacle”, a race of tentacle plants inhabiting the mamono realm that transformed into monsters.

It seems this sort of thing ends up happening because they feel jealous when watching married couples go at it in the tentacle forest.

Originally, they were the kind of tentacle plant called “tentacle brain” that is shown with a gnome placed on its head around the lower right of the cover of the book version, “Monster Girl Encyclopedia World Guide 2 Mamono Realm Nature Traveler's journal”. They have warm and amiable personalities, but given that they were originally tentacles, it seems they're incredible girls if they get going.

... 
 * -|JP=

Image Gallery
Encyclopedia Pages=