Overview

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This game narrates how the player meets Reika and begins a life together. Before satisfying Reika sexually, she will not agree to date you, even if you already have a physical relationship.​

***This game has two versions: Desktop and VR. You can play it on Desktop even without a VR headset***

This game narrates how the player meets Reika and begins a life together. Before satisfying Reika sexually, she will not agree to date you, even if you already have a physical relationship.
Reika has menstrual cycles, fertile periods, and varying levels of sexual desire. If you do not take proper safety measures during her fertile period, Reika can get pregnant.

During cohabitation, the player can engage in sexual activities with Reika at three different locations, each featuring:
Foreplay: 21 positions (63 in total)

Sex: 18 positions (54 in total) including oral sex , handjob, titjob, intercourse, anal sex, and footjob

Reika’s Orgasm Animations: 4 positions (12 in total)

Reika’s Special Services: 2 positions (6 in total)

Storyline:
The storyline consists of 8 chapters, each approximately 10 minutes long. It describes how the player meets Reika and how satisfying her triggers more advanced carnal pleasures.

Dirty Talk System:
The dirty talk system in this game includes animations. There are 234 sets of dirty talk dialogues per language, varying based on the type and level of arousal.

Cross-Section View System:
The system offers two ways of presentation: the same windowed display as the previous game, or directly displayed on the character’s body

Screenshots

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Changelog

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v2.0.0
[Features]
● Added – Repeat Dance Button
● Added – Automatic Hicky Display
● Added – Automatic Semen Effect Display
● Added – Automatic Cleanup After Oral Sex Settings
　1. Always
　2. Random
　3. Never
● Added – Separate Semen Effects for Face and Mouth
　(For example, semen can be inside the mouth while also visible on the face.)
● Fixed – Floating fluid appearing in front of the male protagonist’s penis during story scenes

[Outfits]
● Added groin-pulled-aside variants for certain outfits
● Fixed – Glasses were not saved correctly when saving outfit presets

[VR Features]
● Fixed – Floor movement destination indicator display

[Animations]
● Added – 8 New Animations (Kitchen Standing Position)

v1.9.0
● Fixed an issue where the achievement for the memory (recollection) feature could not be unlocked.
●New animation x 10 (Kitchen DoggyStyle)

v1.8.0
[Animation]
●New animation x 6 (Kitchen OnTop)
●New main screen animation x 1

[Function]
●New facial appearances x 2

v1.7.0
●New animation x 12 (Kitchen Missionary)
●New clothing x 1

v1.6.0
●Added liquid effect display switch
●New animation x 8 (Bedroom Standing Position)

v1.5.0
●New animation x 10 (Bedroom DoggyStyle Position)
●New opening animation x 1
●New Hairstyle x 1

v1.4
Hello everyone, Sex Formula v1.4.0 has been updated
The revised contents are as follows

[interface]
●Tab Key will no longer hide subtitles

[Animation]
●New animation x 6 (Bedroom Ontop Position)

[clothing]
●New clothing x 1

[Function]
●New Hair Material (B)
●Added color settings for hair material (B)
●When you leave the game, the current clothing settings will be recorded

1.3
[interface]
●Remove [Auto Position] function
●Add [Frame Rate] settings function

[animation]
●New animation x 12 (Missionary in Bedroom)

[clothing]
●New clothing x 1

[Function]
●Repair clothing judgment
●Fixed the DirtyTalk voice volume function
●Fix the voice volume function
●Fixed the problem of being unable to talk after pregnancy
●Fixed the problem that the recall function cannot trigger achievements

v1.2.0
[interface]
●Newly added foreplay and sex button number markers
●Display correction in some languages

[animation]
●New start screen x 2
●Some animation corrections

[clothing]
●Newly added high heels x 1
●New clothing x 1

[Function]
●Newly added camera close to Reika’s lips for kissing
●Newly added camera is close to Reika’s breasts and can be sucked and touched
Note 1: Reika must show her breasts
Note 2: [If the left and right breasts are touched at the same time, the first touch is: sucking, the last touch is: touching]
●Newly added mobile camera can be changed to right click
●Added hotkey [F] to switch cameras
●Newly added hotkeys [1,2,3,4] to switch camera focus

[VR function]
●VR has added the ability to kiss Reika by putting the helmet close to her lips
●VR newly added: Put the helmet close to Reika’s chest and you can suck and caress it
Note 1: Reika must show her breasts
Note 2: [If the left and right breasts are touched at the same time, the first touch is: sucking, the last touch is: touching]

v1.1.2
[BUG]
●Mouse sensitivity default correction
●After the settlement animation, you cannot have sex normally.

v1.1.1
[interface]
●Added game settings [Screen][Control] tab.
●Added mouse sensitivity setting.
●Resolution-related changes to the drop-down menu.

[Function]
●Added [Next Week] button.

[BUG]
●Some animation and lighting corrections.
●Corrected the transparency judgment of stockings.
●Correction of dialogue window judgment has been corrected.
●Correction of achievement triggering function.
●Correct the initial position of each room.
●Delete the black cutscene before the scoring animation.

[VR BUG]
●VR Corrected the [Dirty talk] playback frequency function of the game settings.
●VR If sex ends with sexual intercourse, switching POV will cause the Xray window to go out
●After two consecutive sex sessions in VR, the cutscene effect did not appear.

How To Install Sex Formula

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1. Extract
2. Play

Sex Formula Free Download

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