This is a collection of full-color illustrations of the original male characters, Nanami-kun and Yakuri-chan, in the style of a health and physical education textbook.
The sexually developing genitals and pubic hair, the limbs of boys and girls… the naughty organs are explained in detail with cross-sectional diagrams…
We will also show you how he reacts to sexual excitement, the ejaculation scene, and the scene where he cums on the prostate.
In the second half of the page, you will learn how to masturbate and practice ejaculation…! ! !
Let’s study naughty things with a cute boy!
Although there is no actual performance, we are focused on expressing the cuteness of innocent sexual desire and ejaculation hard.
– Mosaic processing has been added to the sample image, but the main version only has black seaweed correction.
・23 full-color main pages + cover + colophon + back cover
