A son accidentally discovers his Mother's hidden secret true personality, the masochistic Sex Slave of her employer.

English

Original Work

Mother's Impregnation Cage

Mutsu doesn't like you playing with the ammunition, Admiral.

Kantai Collection

Mucchan no Abunai Hiasobi

Collection of 10 short stories with the first 5 revolving around the same couple:
1. Doshapuri Dream (Downpour Daydream)
2. Study Steady
3. Skip Step Escape
4. Beast-like Sweet Life
5. Encounter Rare Cat
6. The Equation of Him and Her
7. TomoHaha
8. After H! Comes I, NG!? (First Part)
9. After H! Comes I, NG!? (Second Part)
10. Up! Up! Sister

Muchi Puri

An openly incest family. Youji, hopes to one-day have his mom all to himself but is stuck sharing with his father, Kouji.
Chapter 1: Kawasaki tries to squeeze her big ass into some jeans, which to no surprise.. get stuck! Youji's attempt to cut a hole in the jeans exposes his mom's juicy pussy. 
Chapter 2: To celebrate Youji's Birthday, Kawasaki, wrapped in a ribbon, tells Youji she'll do anything.
Chapter 3: Addicted to cosplay, Kawasaki orders a sexy bunny outfit which excites Kouji

Muchi To Ha Zai

One Piece

Muchimuchi Jotei

Mitsuko is married women that has one daughter and a dick crave, whenever she got bored or get horny, she goes to her neighbor and play with Maki...

Muramura Diary

Touhou

Mushroom Samba

An innocent, drunk Utsuho starts removing her clothes in front of her drinking companion. What else would you expect to happen?

MutiMuti

One main story arc about an affair between a young man and his new fashion model step-mother followed by a collection of short one-shot stories, all continuing with the recurring theme of older women having trysts with younger men.

My Mom, The Sexy Idol Vol. 1

My Neighbor Yukari-san 4

A boy asks his neighbor to touch her breast. She says yes and then have sex later.
Has four parts.

My Next door Neighbor Anette-san + R + S + SS

Nami ni Norou!! 2 YEARS LATER

Nami greed lead her to being captured then raped by a group of Bounty hunters.

Nami-San Ga!

Naruto wants to have fun with shy, timid, and cute little Hinata. Problem is, he's kind of a dimwit for not telling the difference between a fabricated clone and the real thing right away.

Naruto

Naru Love 4

Naru Love 8

Bleach

Boku wa Tomodachi ga Sukunai

NightHawk XXIX

Sailor Moon

Nippon Mokusei

Nippon Practice 2

Nurenure!

Chapters:
1-3. Wife Development Club
4. Toilet in Fairy
5. Bursting Housewife
6. Pretty Face!
7. Closet!
8-10. My Family's Rape Plan
11. Welcome to the Wife Development Club!

Nyupuzuma!!: Mesuana Kaihatsu Club

Nyuuton

Just when she thinks she'll never get a boyfriend, would believe Mizuki-sensei surprise and joy when one of her students suddenly asks her to go out with him?

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