【Oga Umanosuke】Mucous membrane

This is the first book by a newcomer – Oga Umanosuke – whose popularity and skills are growing rapidly! This is the first book by newcomer Okinaga Umanosuke. This is a book of the author’s soul, with more than 40 pages of additions and corrections to the selected works that were popular in [Kairakuten] magazine.

This is a great book for those who want to learn how to use a computer.
I’m sure you’ll be able to understand why I’ve been so impressed with your work.

Honeymoon] — I was invited to a frustrated nurse’s home
After the Honeymoon] — The two of them are in a relationship of mutual desire.
[When the Earth Turns Halfway Around] — A reunion with a girl who once gave me a blowjob.
[A Lie of Five Centimeters] — An assault on a naive girl’s body.
[Milky Lips] — A job hunting hot girl and a mating offer!
[The Golden Ratio of July] — The beautiful girl and the yukata sex that I met for the first time.
This is the first time I’ve ever been to the beach.
This is the story of a senior and junior member of the track and field team who have complicated feelings for each other. They are forced to be in the club room.
[Sin Wanderer] — A girl who eats her virginity. The girl who eats virginity.

＋All series come with a [newly-drawn post-apocalyptic manga] and [new illustrations]!