---
title: "A Promise Best Left Unkept"
description: "Prompted into action by the promise he made to his girlfriend a year ago, Harry finally made a huge breakthrough in his quest for success by scoring a major dea"
image: "https://t.vndb.org/cv/68/92068.jpg"
---

# A Promise Best Left Unkept

![A Promise Best Left Unkept](https://t.vndb.org/cv/68/92068.jpg)

**Developer:** Hangover Cat Purrroduction

**Release date:** Mar 14, 2023

**Platform:** Windows, Linux, macOS, Android

**Language:** English, Japanese, Chinese (simplified), Chinese (traditional), Russian

**Rating:** 7.9/10 (167 votes)

## Description
Prompted into action by the promise he made to his girlfriend a year ago, Harry finally made a huge breakthrough in his quest for success by scoring a major deal for his company, in doing so setting into motion his inevitable promotion. But what he didn’t foresee is that the byproduct of his unshakable resolve would unintentionally invite an undesirable presence into his life. The representative of the subcontracting company—his old bully from high school.

[From [Patreon](https://www.patreon.com/HangoverCat)]

## Characters
### Harry Green
The protagonist of the game and the team leader of the development department at the company he is working at.

Prompted into action by the promise he made to his girlfriend Laura a year ago, Harry finally made a huge breakthrough in his quest for success by scoring a major deal for his company, in doing so setting into motion his inevitable promotion. But what he didn’t foresee is that the byproduct of his unshakable resolve would unintentionally invite an undesirable presence into his life. The representative of the subcontracting company—his old bully from high school.

[From [url=https://www.patreon.com/posts/58353050]Patreon[/url]]

- **Gender:** Male
- **Hair:** Brown, Short, V Bangs, Spiky
- **Body:** Slim, Pale, Young-adult
- **Personality:** Hard Worker, Friendly, Kind, Humble
- **Eyes:** Red, Tsurime
- **Clothes:** Suit, Necktie, Formal Shirt
- **Subject of:** Bullying, Netori (their SO is stolen), Netorare (they are the stolen SO)
- **Role:** Husband, Boyfriend, Senpai, Management, Office Worker
- **Engages in:** Netori (steals the SO)

### Laura Ross
Laura is the main protagonist’s - Harry’s - girlfriend, and works at the same company as him. She is the team leader of the creative department. She’s conscientious, kind hardheaded, and firm, although she’s become softer ever since she started going out with Harry.

[From [url=https://www.patreon.com/posts/54313248]Patreon[/url]]

- **Gender:** Female
- **Hair:** Blond, Blue, Bun, Long, Multicolored, Short Bangs, Dyed, Sidehair, Gradient Colored Hair
- **Body:** Slim, Pale, Adult, Makeup, Big Breasts
- **Personality:** Hard Worker, Reserved, Strict, Arrogant, Altruistic, Cautious, Kind, Loyal, Mature, Assertive, Jealous
- **Eyes:** Grey
- **Clothes:** Glasses, Necklace, Wedding Dress, Naked Apron, Wedding Ring, Micro Bikini, Erotic Wedding Dress, Bimbo
- **Engages in:** Smoking, Blackmail, Murder, Infidelity, Wedding, Unwilling Betrayal, Pretend Wedding
- **Subject of:** Mind Control, Blackmail, Pregnancy, Sexual Harassment, Sexual Corruption, Pregnancy (by illegitimate partner), Manipulation, Netorare (they are the stolen SO), Bimbofication
- **Role:** Wife, Girlfriend, Office Lady, Management, Sex Friend
- **Voiced by:** KittenVox

### Aya
Aya is the second female main character. She is Harry's subordinate and has deeply fallen in love with him. She is very jealous of Laura, Harries girlfriend, and tries to win Harry's heart. Aya is a young, inexperienced, cheerful and emotional character. At the same time she can be very perceptive, direct and upfront. How far will she go to achieve her goal?

[From [url=https://www.patreon.com/posts/54803838]Patreon[/url]]

- **Gender:** Female
- **Measurements:** Height: 165cm, Bust-Waist-Hips: 89-58-91cm
- **Hair:** Blond, Waist Length+, Straight, Blunt Bangs, Sidehair
- **Body:** Slim, Pale, Young-adult, Big Breasts
- **Eyes:** Amber
- **Personality:** Deredere, Possessive, Immature, Emotional, Jealous, Whimsical, Blunt, Cheerful
- **Role:** Wife, Kouhai, Coworker
- **Engages in:** Murder, Netori (steals the SO), Attempted Murder, Unwilling Betrayal
- **Subject of:** Being Drugged, Sexual Corruption, Netorare (they are the stolen SO)
- **Voiced by:** Pixie Willow

### Luca Alonge
Luca is the antagonist of the story. He bullied the main character in high school, and he’s now going to work with him as the representative of the subcontracting company EFA.

[From [url=https://www.patreon.com/posts/57083309]Patreon[/url]]

- **Gender:** Male
- **Hair:** Blond
- **Role:** Villain, Mafia, Coworker, Neighbor
- **Body:** Young-adult, Muscular, Large Penis
- **Engages in:** Planning, Bullying, Kidnapping, Sexual Harassment, Netori (steals the SO), Drugging, Manipulation, Memory Alteration, Erotic Mind Control
- **Subject of:** Blackmail, Homicide, Netori (their SO is stolen), Attempted Homicide
- **Personality:** Arrogant, Womanizer, Sly, Misogynist, Manipulative, Obsessive

### Hellen
a friend of Laura that gets rape by luka in most routes

- **Gender:** Female
- **Hair:** Black
- **Personality:** Friendly, Kind
- **Role:** Girlfriend, Coworker
- **Subject of:** Kidnapping, Sexual Harassment, Being Drugged, Sexual Corruption, Manipulation, Netorare (they are the stolen SO), Falling to Evil (sexual)
- **Body:** Big Breasts
- **Engages in:** Unwilling Betrayal

### Maya
Harry’s childhood friend

- **Gender:** Female
- **Hair:** Pink, Short Bangs
- **Eyes:** Blue
- **Role:** Childhood Friend, Present in Flashbacks Only
- **Body:** Tanned, Big Breasts
- **Subject of:** Being Drugged, Sexual Corruption, Netorare (they are the stolen SO)

### Sandra
Laura's mother

- **Gender:** Female
- **Hair:** Brown, Straight
- **Body:** Pale, Big Breasts
- **Eyes:** Violet
- **Subject of:** Blackmail, Pregnancy, Kidnapping, Sexual Harassment, Sexual Corruption, Netorare (they are the stolen SO)
- **Role:** Mother
- **Engages in:** Unwilling Betrayal

### Harry's unnamed girlfriend
Harry's girlfriend from the ending were Luka rape's and brainwash Laura Sandra and Hellen

- **Gender:** Female
- **Hair:** Black, Short
- **Personality:** Kind
- **Subject of:** Kidnapping, Being Drugged, Disappearance, Sexual Corruption, Netorare (they are the stolen SO), Falling to Evil (sexual)
- **Clothes:** Panties
- **Body:** Big Breasts

## Shops
- [Official Website](https://ci-en.dlsite.com/creator/17961)
- [Steam](https://store.steampowered.com/app/2219000/)
- [Patreon](https://www.patreon.com/HangoverCat)
- [Itch](https://hangovercatpurrroduction.itch.io/a-promise-best-left-unkept)
- [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01034984.html)

## Releases
### Japanese
- **2023-03-14**: Yakusoku wa Mamorubeki Mono - Part 1 - [DLsite](https://www.dlsite.com/maniax/work/=/product_id/RJ01034984.html)
- **2024-06-03**: Yakusoku wa Mamorubeki Mono - Part 2 (Laura) v0.8.0 - [Official website](https://ci-en.dlsite.com/creator/17961)

### English
- **2023-08-01**: A Promise Best Left Unkept - Demo - [Steam](https://store.steampowered.com/app/2531770/), [SteamDB](https://steamdb.info/app/2531770/info/)
- **2023-10-02**: A Promise Best Left Unkept - [Itch.io](https://hangovercatpurrroduction.itch.io/a-promise-best-left-unkept), [Patreon](https://www.patreon.com/HangoverCat)
- **2023-10-02**: A Promise Best Left Unkept - Censored Edition - [Steam](https://store.steampowered.com/app/2219000/), [SteamDB](https://steamdb.info/app/2219000/info/)
- **2023-10-02**: A Promise Best Left Unkept - Restoration Patch - [Patreon post](https://www.patreon.com/posts/90209269)

### Chinese (simplified)
- **2023-10-02**: A Promise Best Left Unkept - Censored Edition - [Steam](https://store.steampowered.com/app/2219000/), [SteamDB](https://steamdb.info/app/2219000/info/)

### Chinese (traditional)
- **2023-10-02**: A Promise Best Left Unkept - Censored Edition - [Steam](https://store.steampowered.com/app/2219000/), [SteamDB](https://steamdb.info/app/2219000/info/)

### Russian
- **2024-03-24**: A Promise Best Left Unkept + bonuses - [Official website](https://pornolab.net/forum/viewtopic.php?t=3071229)

## Tags
Betrayal, ADV, Male Protagonist, Female Protagonist, Multiple Protagonists, Adult Protagonist, Modern Day, Multiple Endings, Late Branching Plot, Deredere Heroine, Protagonist's Childhood Friend as a Heroine, Nukige, High Sexual Content, Pregnant Sex, Sexual Harassment, Widow Heroine, Other Perspectives, Blackmail, Protagonist with a Face, Lots of Event CGs, Wedding, Missionary Position, Sounds of Copulation, Heroine with Gradient Colored Hair, Intercrural Sex, Infidelity, Deepthroat, Oyakodon Ending, Standing Sex, Spoons, Discreet Sex, Sex in Front of an Audience, Kissing Scene, Gokkun, Strangulation Sex, Sex at Work, Only Adult Heroines, Gyaru Heroine, Impregnation by Others, Sex on Toilet, Naked Dogeza, Sex in Karaoke Box, Sexual Corruption, Single Handjob, Single Blowjob, Anal Sex, Bimbofication, Rape with Blackmail, Pregnancy Ending, Bukkake, Ahegao, Pregnancy, Condoms, Used Condoms Exposition, Reverse Cowgirl, Background Moans, Stockings, Cowgirl, Heroine's Mother as a Heroine, Mindbreak, Netorare Type C, Office Lady Heroine, Mirror Sex, Doggy Style, Discreet Phone Sex, Mystery, Male Protagonist for a Short Time, Netorare Type B, Peace Sign Ahegao, Oyakodon, Sex in Water, Reverse Missionary, Gang Rape, Rape, Netorare, Bad Ending(s), Pregnancy Bad Ending, Pregnancy Good Ending, Impregnation, Completely Avoidable Netorare, Marriage Ending, Rape by Deception, Rape Involving Drugs, Erotic Mind Control, Rape under Influence, Open Ending(s), Sexual Content, Rape by Proxy, Heroine with Big Breasts, Homicide, Multiple Route Mystery

## More Games from Hangover Cat Purrroduction
- [PRologue](https://pinovel.net/v24344)
- [Her Lie I Tried To Believe](https://pinovel.net/v22798)
- [The Spell](https://pinovel.net/v25105)
- [Together - A Wish No One Remembers](https://pinovel.net/v27735)
- [The Edge Of](https://pinovel.net/v30155)
- [A Promise Best Left Unkept](https://pinovel.net/v32699)
- [A Promise Best Left Unkept - Bonus Scenes [Season 1]](https://pinovel.net/v52015)
- [NTR'd By Clumsiness](https://pinovel.net/v40605)
- [A Promise Best Left Unkept - Bonus Scenes [Season 2]](https://pinovel.net/v52016)
- [Hangoverse](https://pinovel.net/v53020)
- [A Promise Best Left Unkept - Aya Edition](https://pinovel.net/v47838)
- [His Bet, Her Loss](https://pinovel.net/v55823)
- [He Maid Her Fall](https://pinovel.net/v56674)

---
*View the full details at [pinovel.net/v32699](https://pinovel.net/v32699).*

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