Developer: Mikotoshi-dou
Publisher: Mikotoshi-dou
Release date: Jun/01/2024
Version: Final
Language: English, Japanese, Chinese (Official)
Censored: Yes (Mosaics)

Tease her (customizable name), creampie her, get her pregnant, and make her give birth in this game.

Annoy her while she's awake, you can even use your tentacles. (Slime's on break right now.)

Game Phases
Impregnate Your Sleeping Sister Game [mikotoshi-dou]
This game is split into two phases - day and night.

During the day, you can check her status and learn skills, etc.

Impregnate Your Sleeping Sister Game [mikotoshi-dou]
At night, you can tease her while she sleeps.
Once the night phase ends, the day is over.

System
Impregnate Your Sleeping Sister Game [mikotoshi-dou]
- Teasing

This game is played entirely with the mouse.
Left click or drag after choosing an action to touch or put things inside her.
Enjoy the smooth Live2D animation.

Impregnate Your Sleeping Sister Game [mikotoshi-dou]
- Skill Unlocking

By unlocking skills, you can increase the number of times you cum, the amount, and your usable actions.
Obtain RP (release points) by getting either her or yourself to climax.

Impregnate Your Sleeping Sister Game [mikotoshi-dou]
- Status Change

Using specific skills will allow you to do things like adjust her common sense or deprive her of her senses.
Depending on her status, her reactions will change slightly.

Impregnate Your Sleeping Sister Game [mikotoshi-dou]
- Dilation

How much and how deep you can insert yourself will depend on how far she is dilated.
This is increased by trying to insert larger objects deeper inside her, but if you try something too big, she'll get mad.

Actions
- Day Phase
Touch her butt
Touch her boobs
Insert, etc.

- Night Phase
Spread her legs
Undress her
Take off her underwear
Touch her boobs
Fondle her
Insert
Creampie
Cum on her
Kiss
Blowjob
Titjob
Nipple fucking
Urethra sex
Cervix sex
Birth, etc.

Other
- Cautions

This game was created with Unity.
Please download the demo to test compatibility first.

Please be aware that security software may react to the loading and saving of data, as well as config files, but this should not affect anything outside of the game folder.


- Language Settings

This was originally intended to change the language, but it is also possible to change the Japanese text data.
Please see the "About Language" file included with the game for details.

The languages currently included are English (courtesy of an anonymous fan) and Traditional Chinese (courtesy of Naya Mihama)

- About the demo

The demo is purely for checking system compatibility and has restrictions on the following features:

- Save and Load functions
- RP gain
- Skill unlocking & related functions

There may also be some bugs or differences not present in the full version of the game.