---
title: "Fault!! Service ~Aratanaru Rival~"
description: "After a tumultuous summer vacation, Shuuichi begins the second school term while under the constant love assault from Ai and Mio. One day the tennis club leader"
image: "https://t.vndb.org/cv/94/136594.jpg"
---

# Fault!! Service ~Aratanaru Rival~

![Fault!! Service ~Aratanaru Rival~](https://t.vndb.org/cv/94/136594.jpg)

**Alternative Title:** フォルト!!S（サービス）～新たなる恋敵（ライバル）～

**Developer:** Ciel

**Release date:** Jun 29, 2012

**Platform:** Windows, Android, DVD

**Language:** Japanese

**Rating:** 7.3/10 (127 votes)

## Description
After a tumultuous summer vacation, Shuuichi begins the second school term while under the constant love assault from Ai and Mio. One day the tennis club leader Reiko announced that they will participate in the school festival at the end of the month, which they decided to run a cosplay cafe after much wrangling. Afterwards, she decided that she wanted to run as a candidate for next term’s student council. That wasn’t the end of his tumultuous days as a transfer student suddenly appeared in his class…

[From [Hau~ Omochikaeri!](http://omochikaeri.wordpress.com/2012/06/06/june-2012-eroge-releases/)]

## Characters
### Sugiyama Shuuichi (杉山 修一)
- **Gender:** Male
- **Measurements:** Height: 174cm, Weight: 61kg
- **Hair:** Brown, Short, Straight, Spiky Bangs
- **Eyes:** Brown, Tsurime
- **Body:** Teen, Slim, Pale
- **Clothes:** Gym Shorts, Sports Shoes, Sports Uniform, Tennis Outfit
- **Personality:** Ore
- **Role:** School Sports Club Member, Older Brother
- **Engages in:** Tennis

### Date Wingfield Reiko (伊達・ウィングフィールド・黎子)
- **Gender:** Female
- **Measurements:** Height: 166cm, Weight: 49kg, Bust-Waist-Hips: 82-62-82cm, B cup
- **Hair:** Blond, Long, Straight, No Bangs, Parted to Side, Pubic Hair
- **Body:** Teen, Slim, Pale, Pointed Ears
- **Clothes:** School Uniform, Kemonomimi Headband, Jacket, Skirt, Miniskirt, Knee-high Socks, Bikini, Cravat, Strapless Dress, Ribbon Tie
- **Personality:** Outgoing, Friendly
- **Role:** Student Club President, School Sports Club Member, Senpai, High School Student
- **Engages in:** Cosplay, Tennis
- **Eyes:** Tsurime, Cyan
- **Voiced by:** Kozuki Kureha

### Kamiwazumi Maya (神和住 真夜)
She joins Shuuichi's class as a transfer student and find herself as a candidate for the school president election.

- **Gender:** Female
- **Measurements:** Height: 162cm, Weight: 50kg, Bust-Waist-Hips: 80-58-82cm, C cup
- **Hair:** Black, Long, Sidehair
- **Role:** Student, Transfer Student
- **Clothes:** Headband, Pantyhose, Thigh-high Stockings
- **Personality:** Sharp-tongued
- **Voiced by:** Yuzuhara Miu

### Saeki Ai (佐伯 藍)
- **Gender:** Female
- **Measurements:** Height: 158cm, Weight: 47kg, Bust-Waist-Hips: 85-60-82cm, C cup
- **Hair:** Brown, Ponytail, Shoulder-length, Straight, Pubic Hair
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Mini-dress, Miniskirt, Sports Shoes, Bow Tie, Cuffs, Sports Uniform, Ribbon Tie, Ribbon Hair Accessory, Ribbon Hair Tie, Tennis Outfit
- **Personality:** Outgoing, Friendly, Naive
- **Role:** School Sports Club Member, Classmate, High School Student
- **Engages in:** Sports, Cosplay, Tennis
- **Voiced by:** Momoi Ichigo

### Sugiyama Mio (杉山 澪)
- **Gender:** Female
- **Measurements:** Height: 150cm, Weight: 42kg, Bust-Waist-Hips: 74-58-74cm, A cup
- **Hair:** Brown, Twin Tails, Waist Length+, Straight, Blunt Bangs, Sidehair
- **Eyes:** Brown, Tsurime
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Kemonomimi Headband, T-shirt, Evening Gloves, Miniskirt, Sport Bloomers, Thigh-high Stockings, Belt, Gothic, Tail, Bra, Sports Uniform, Ribbon Tie, Rubber Band With Beads, Ribbon Hair Tie, Shimapan, Old Type School Swimsuit, Naked Shirt, Tennis Outfit
- **Personality:** Modern Tsundere, Spoiled, Brother Complex
- **Role:** Cousin, School Sports Club Member, Kouhai, High School Student, Younger Sister
- **Engages in:** Cosplay, Tennis
- **Voiced by:** Aoba Ringo

### Hayama Rika (羽山 璃花)
- **Gender:** Female
- **Measurements:** Height: 148cm, Weight: 41kg, Bust-Waist-Hips: 82-59-83cm, D cup
- **Hair:** Blond, Waist Length+, No Bangs, Parted to Side
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale, Younger Appearance
- **Clothes:** School Uniform, Trousers, Dress, Glasses, T-shirt, Sports Shoes, Sandals, One Piece Swimsuit, Hairpin, Hair Flower, Sports Uniform, Yukata, Ribbon Tie
- **Personality:** Airhead, Clumsy
- **Engages in:** Drinking, Cosplay
- **Role:** Teacher, Student Club Advisor
- **Voiced by:** Hamura Nao

### Matsuoka Kei (松岡 螢)
- **Gender:** Male
- **Measurements:** Height: 178cm, Weight: 64kg
- **Hair:** Blue, Short, Straight, Spiky Bangs, Parted to Side
- **Body:** Teen, Slim, Pale
- **Eyes:** Blue, Tareme
- **Clothes:** Suit, T-shirt, Wristband, Sports Shoes, Sports Uniform
- **Role:** Friend, Childhood Friend, School Sports Club Member, Classmate, High School Student
- **Engages in:** Tennis
- **Voiced by:** Nakazawa Ayumu

## Shops
- [Official Website](http://www.sp-janis.com/spjanis-republic/specialpack1/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ01005517.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1352577)

## Releases
### Japanese
- **2012-06-08**: Fault!! Service ~Aratanaru Rival~ Trial Edition - [Official website](http://www.sp-janis.com/ciel/fault-s/trial.html)
- **2012-06-29**: Fault!! Service ~Aratanaru Rival~ First Press Edition - [Official website](http://www.sp-janis.com/ciel/fault-s/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=16993)
- **2012-12-06**: Fault!! Service ~Aratanaru Rival~ Download Edition - [Official website](http://www.sp-janis.com/ciel/fault-s/), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ007362.html), [Gyutto](https://gyutto.com/i/item95631), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0092221/), [DL.Getchu](http://dl.getchu.com/i/item1004120), [DMM](https://dlsoft.dmm.co.jp/detail/spacep_0049/)
- **2013-06-28**: Fault!! Service Ace - Grand Slam Box v3 Edition - [Official website](http://www.sp-janis.com/ciel/fault-sa/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=18906), [Getchu](http://www.getchu.com/soft.phtml?id=770977)
- **2013-06-28**: Fault!! Service Ace - Regular Edition - [Official website](http://www.sp-janis.com/ciel/fault-sa/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=18906), [Getchu](http://www.getchu.com/soft.phtml?id=770976)
- **2013-07-19**: Fault!! Service - DVDPG - [Official website](https://web.archive.org/web/20130823054102/http://www.ms-pictures.com/label/mints/products/1307/faults/), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=50669), [Getchu](http://www.getchu.com/soft.phtml?id=774298)
- **2014-11-28**: Ciel Complete Box -Tony Chronicles- First Press Limited Edition - [Official website](http://www.sp-janis.com/ciel/tony-chronicles/), [Getchu](http://www.getchu.com/soft.phtml?id=829923)
- **2015-10-30**: SP-JANIS REPUBLIC SPECIAL PACK - Package Edition - [Official website](http://www.sp-janis.com/spjanis-republic/specialpack1/), [Getchu](http://www.getchu.com/soft.phtml?id=865894)
- **2015-10-30**: SP-Janis Republic Ciel Pack - [Official website](http://www.sp-janis.com/spjanis-republic.html), [DMM](https://dlsoft.dmm.co.jp/detail/mgold_0100/)
- **2015-10-30**: SP-JANIS REPUBLIC SPECIAL PACK - Download Edition - [Official website](http://www.sp-janis.com/spjanis-republic/specialpack1/), [DMM](https://dlsoft.dmm.co.jp/detail/mgold_0101)
- **2016-03-11**: Fault!! S - [Official website](http://www.iris-designworks.co.jp/rpr/rpr_01.php)
- **2017-07-07**: Ciel DVD Players Game Pack - [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=22dgmt11128/)
- **2023-06-30**: Fault!! Service ~Aratanaru Rival~ Low Price Edition DVDPG - [Official website](https://www.mellow-moon.com/index.php/16762.html), [Getchu](http://www.getchu.com/soft.phtml?id=1232481), [DMM](https://www.dmm.co.jp/mono/anime/-/detail/=/cid=mlpg037/)
- **2026-02-27**: Tony Illustration Games compatible with WIN11 - Regular Edition - [Official website](http://www.chaos-r.com/Illustrationgames/index.php), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=3349208), [Getchu](http://www.getchu.com/soft.phtml?id=1352575)
- **2026-02-27**: Tony Illustration Games compatible with WIN11 - Acrylic Diorama Included Limited Edition - [Official website](http://www.chaos-r.com/Illustrationgames/index.php), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=3349209), [Getchu](http://www.getchu.com/soft.phtml?id=1352576), [DMM](https://www.dmm.co.jp/mono/pcgame/-/detail/=/cid=2356apc14915/)
- **2026-02-27**: Tony Illustration Games compatible with WIN11 - Reprint - Fault SA - Dakimakura Cover Included Limited Edition - [Official website](http://www.chaos-r.com/Illustrationgames/index.php), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=3349211), [Getchu](http://www.getchu.com/soft.phtml?id=1352578)
- **2026-02-27**: Tony Illustration Games compatible with WIN11 - Deluxe DVD Drive Included Limited Edition - [Official website](http://www.chaos-r.com/Illustrationgames/index.php), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=3349210), [Getchu](http://www.getchu.com/soft.phtml?id=1352577)
- **2026-03-27**: Tony Illustration Games compatible with WIN11 - Download Edition - [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ01005517.html), [DMM](https://dlsoft.dmm.co.jp/detail/views_0970pack/)

## Tags
Sexual Content, ADV, High School, Lesbian Sex, Imouto-type Heroine, Protagonist's Senpai as a Heroine, Male Protagonist, Multiple Endings, Modern Tsundere Heroine, Protagonist's Non-blood-related Sister as a Heroine, Student Heroine, Early Sexual Content, Cousin Incest, Cousin Romance, Donkan Protagonist, Student Protagonist, Tennis Club, Branching Plot, Cosplay, Super Deformed CGs, Tennis, Masturbation, Cunnilingus, Brocon Heroine, Few Choices, Discreet Sex, Public Masturbation, Facesitting, Twin Footjob, Sexual Cosplay, Single Blowjob, High School Student Heroine, Threesome Ending, Threesome, Protagonist's Cousin as a Heroine

## More Games from Ciel
- [Rose or Lose](https://pinovel.net/v14688)
- [Arcana ~Hikari to Yami no Ecstasies~](https://pinovel.net/v2601)
- [Pheromone ~Hashire Eros! Ai no Time Limit~](https://pinovel.net/v5935)
- [Mitama ~Shinobi~](https://pinovel.net/v2602)
- [Sister Heart ~Kokoro no Kakera~](https://pinovel.net/v7348)
- [After...](https://pinovel.net/v2603)
- [After... -Sweet Kiss-](https://pinovel.net/v2604)
- [Sora no Iro, Mizu no Iro](https://pinovel.net/v943)
- [Shinshou Genmukan](https://pinovel.net/v2605)
- [Fault!!](https://pinovel.net/v1648)
- [Fault!! Service ~Aratanaru Rival~](https://pinovel.net/v10392)

---
*View the full details at [pinovel.net/v10392](https://pinovel.net/v10392).*

```json
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```