Apparently there's a doujinshi about a girl who investigates things? Okay, I'll look into it.

Me and the secret mixed-gender hot spring

A dirty, lewd, and sexy JK gal gets creampied with lots of dirty talk

Investigative Mama Shizue Kumanami can't resist

Everybody's Investigation Girl 2

Summary of venue-limited books to date

The Book of the Girl Who Investigates Everything: Megane-chan

Is there another full color version of Investigation Girl? Okay, I'll look into it.

Did you know that there was a doujinshi of Investigative Girl in the winter too? Okay, I'll look into it.

I have a boyfriend, but I was chosen to be a soap girl at the bathhouse during the school festival.

My sister was being cheeky, so I made her have sex with me in her uniform ~After Days~

[Sweet whispering love life] My desire to be an older sister is so strong that my girlfriend, whose hobby is to pamper me, pampers me thoroughly ASMR

A private tutor's impregnation sex education! ~A mother and daughter sleep with a sexy gal who has a boyfriend and a lewd married woman!~

My sister was being cheeky, so I made her have sex with me in her uniform ~Foot fetish pervert brother's masochistic training~

My sister was being cheeky so I made her have sex with me in her uniform ~after days2~

Mijuku

The Misfortune of Hana Otonashi [Orgasmic Reflexology Fanfiction Book]

I bought a tentacle online without thinking much about it, and I ended up getting hooked on it until I started masturbating while giving birth to a seedbed.

Rio Kurahashi wants to meet a hot dick

Making a cheeky, busty, sugar daddy girl understand

Soft rooftop and Miyazono

The continuation of the bed-sitter story! Aya-chan was teased by her cousin Yohei-kun and came.

I thought I could become an idol, but I ended up becoming an AV actress...

I made my mean big-breasted sister understand what she was trying to do, but my parents found out and my life is over lol

Big brother, would you like to have tea with us?

Sexuality instructor's job 2 They seemed to get along well so I dug them both together

The Temptation of Horny JK Kuromine-san and Shirasaki-san

I started a cohabitation sex life with a gal from my class where I can have as much raw creampie sex as I want.

My Stepsister Has a Bad Sense of Distance and Will Be In Love With Me for the Rest of My Life

Close-up! A story about an older sister who reluctantly pulled it out due to unavoidable circumstances

The story of how I took a cool store clerk home

A landmine girlfriend

I'm the only guy in my class!? ~Surrounded by those cute girls~

Netokano After Party

A world where men's and women's ideas of chastity are reversed.

I love money

A story about being comforted by the sloppy girl next door

I'm very sorry, but Adventure Book 7 has disappeared.

My sexual life with my rough and dirty sister - If I can beat my sister, I'll get her pregnant and have raw sex with her -

Unethical Doctor