【turtle tank】If you want to extend it, so do I.

An adult parody manga of Doll ○ Frontline.
Ouroboros and Groza’s sexual massage book.

A synopsis of the book.
In order to train Ouroboros, Groza takes Ouroboros to a vicious massage parlor specializing in tactical dolls. But the darkness there is deeper than Groza had expected.

In this episode, you’ll learn how to make your own unique style of massage. It’s a great way to make sure you’re getting the most out of your vacation.

It’s a great way to get a taste of what it’s like to be a masseuse.
It’s the kind of massage that you can’t help but love. It’s a great way to get the most out of a massage. It’s a great way to make sure you’re getting the most out of your massage.

There are also training plays unique to tactical dolls, such as forced masturbation using a modified virus, exposure of sexual zones, and forced sensitivity enhancement using highly concentrated cake.

This is the electronic version of a doujinshi distributed at Comic Market 97. 28 pages including cover, PDF included.