---
title: "invisible sign -Isu- Nemureru Mori"
description: "It is still a story about the mystery of unsolved incident happened 20 years ago having something to do with present suspicious events, but the main difference "
image: "https://t.vndb.org/cv/36/64236.jpg"
---

# invisible sign -Isu- Nemureru Mori

![invisible sign -Isu- Nemureru Mori](https://t.vndb.org/cv/36/64236.jpg)

**Alternative Title:** invisible sign -イス- 眠れる森

**Developer:** lapin

**Release date:** Nov 25, 2005

**Platform:** Windows

**Language:** Japanese, Chinese (simplified)

**Rating:** 7.0/10 (5 votes)

## Description
It is still a story about the mystery of unsolved incident happened 20 years ago having something to do with present suspicious events, but the main difference is in the big number of different endings. There are also new capturable characters with their stories individual resolutions and the possibility to see the true end with the eyes of another protagonist.

[From [vndbreview](https://vndbreview.blogspot.com/2019/11/vn-of-month-november-2005-sharin-no.html)]

## Characters
### Aizawa Shun (相澤 舜)
- **Gender:** Male
- **Measurements:** Height: 168cm
- **Hair:** Black, Short
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Trousers, Pajamas, Jacket, Necktie, Shirt, Vest, Knee-high Socks, Pendant Necklace, Ribbon Tie, Band-aid
- **Engages in:** Cooking, Teasing, Medication, Fishing
- **Personality:** Boku, Shy, Timid
- **Subject of:** Bullying, Split Personality, Blackmail, Wounding, Teasing, Avoidable Death (obsolete), Hospitalization, Possession, Weakness, Uncontrollable Superpowers, Delusion
- **Role:** Full Brother, Childhood Friend, Classmate, Wealthy, High School Student, Psychic, Half-orphan, Younger Brother
- **Items:** Umbrella
- **Voiced by:** Seki Tomokazu

### Shun (シュン)
- **Gender:** Male
- **Measurements:** Height: 168cm
- **Hair:** Black, Short
- **Eyes:** Brown
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Trousers, Coat, Pajamas, Shirt, Belt, Pendant Necklace, Decorative Belt
- **Items:** Knife
- **Personality:** Ore, Cold-hearted, Short-tempered, Violent, Misogynist
- **Subject of:** Split Personality
- **Role:** Friend, Psychic, Homosexual, Exorcist
- **Engages in:** Murder, Attempted Murder
- **Voiced by:** Seki Tomokazu

### Hayase Masato (早瀬 雅人)
- **Gender:** Male
- **Hair:** Black, Short
- **Body:** Pale, Young-adult
- **Eyes:** Grey
- **Personality:** Secretive, Ore, Pretending, Reserved, Cold-hearted, Smart, Vindictive
- **Engages in:** Suicide, Kidnapping, Theft, Possession
- **Role:** Son, Acquaintance, Friend, Classmate, High School Student, Ghost, Honor Student, Tutor, Lonely
- **Subject of:** Homicide, Reincarnation

### Hayashibara Kensuke (林原 健介)
- **Gender:** Male
- **Measurements:** Height: 178cm
- **Hair:** Brown, Short, Parted to Side
- **Eyes:** Brown
- **Body:** Young-adult
- **Clothes:** Coat, Suit, Necktie, Shirt, Belt
- **Items:** Handgun
- **Personality:** Ore, Emotional
- **Engages in:** Drinking, Investigation
- **Role:** Police, Detective
- **Subject of:** Possession, Turndown
- **Voiced by:** Ogihara Hideki

### Kashiwagi Yuuto (柏木 優斗)
- **Gender:** Male
- **Hair:** Short, Grey, Spiky Bangs, Parted to Side
- **Body:** Teen, Pale
- **Clothes:** School Uniform, Trousers, Coat, Pajamas, Necktie, Shirt, Vest, Jeans, Bandages, Belt, Pendant Necklace, Band-aid
- **Subject of:** Amnesia, Accident, Bullying, Wounding, Hospitalization, Possession
- **Eyes:** Grey
- **Items:** Knife, Bag
- **Personality:** Ore, Pretending, Reserved, Smart
- **Role:** Son, Acquaintance, Friend, Classmate, High School Student, Half-orphan, Honor Student
- **Voiced by:** Fukuyama Jun

### Mariya Yuuichirou (鞠谷 佑一郎)
- **Gender:** Male
- **Aliases:** マリア様, Maria-sama
- **Hair:** Black, Short, Parted to Side
- **Eyes:** Brown, Hosome
- **Body:** Pale, Young-adult
- **Clothes:** Trousers, Suit, Glasses, Necktie, Shirt, Belt
- **Role:** Orphan, Police
- **Items:** Handgun
- **Engages in:** Investigation
- **Subject of:** Avoidable Death (obsolete)
- **Personality:** Smart, Serious, Watashi
- **Voiced by:** Koyasu Takehito

### Matsuoka Satoru (松岡 聡)
- **Gender:** Male
- **Measurements:** Height: 186cm
- **Hair:** Black, Short, Spiky, Parted to Side
- **Eyes:** Brown, Hosome
- **Body:** Slim, Pale, Young-adult
- **Clothes:** Trousers, Coat, Suit, Necktie, Shirt, Bandages, Belt, Watch
- **Items:** Handgun
- **Personality:** Ore, Relaxed, Kind, Protective, Brave
- **Engages in:** Drinking, Smoking, Investigation
- **Role:** Police, Detective, Older Brother, Psychometrist
- **Subject of:** Wounding, Avoidable Death (obsolete), Hospitalization, Possession
- **Voiced by:** Nakai Kazuya

### Miyake Makoto (三宅 真琴)
- **Gender:** Male
- **Measurements:** Height: 172cm
- **Hair:** Brown, Short
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Trousers, Jacket, Necktie, Shirt, T-shirt, Belt, Hoodie, Pendant Necklace, Ribbon Tie
- **Subject of:** Amnesia, Coma, Kidnapping, Hospitalization, Homicide
- **Personality:** Ore, Kind
- **Role:** Full Brother, Childhood Friend, Non-blood-related Brother, High School Student, Non-blood-related Son, Ghost, Older Brother, Skeleton
- **Engages in:** Fishing, Possession
- **Voiced by:** Ishida Akira

### Wakui Haruka (和久井 遼)
- **Gender:** Male
- **Aliases:** ハル, Haru
- **Measurements:** Height: 179cm
- **Hair:** Brown, Short, V Bangs
- **Eyes:** Brown, Grey, Hosome
- **Body:** Pale, Young-adult
- **Clothes:** School Uniform, Trousers, Apron, Pajamas, Earrings, Jacket, Necktie, Necklace, Cross Necklace, Shirt, T-shirt, Jeans, Shorts, Belt, Tank Top, Bow Tie, Pendant Necklace, Sports Uniform
- **Personality:** Hard Worker, Tsundere, Ore, Short-tempered
- **Engages in:** Bullying, Drinking, Smoking, Blackmail, Basketball
- **Role:** Son, Non-blood-related Brother, Classmate, Wealthy, High School Student, Younger Brother, Bad Student, Part-time Worker
- **Subject of:** Bone Fracture, Hospitalization
- **Items:** Mobile Phone, Bag
- **Voiced by:** Toriumi Kousuke

### Kimura Rin (紀村 凛)
- **Gender:** Female
- **Measurements:** Height: 162cm
- **Hair:** Brown, Twin Tails, Shoulder-length
- **Eyes:** Brown, Tareme
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Apron, Coat, Jacket, Scarf, Shirt, T-shirt, Vest, Skirt, Jeans, Knee-high Socks, Belt, Bow Tie, Pendant Necklace, Flower, Pleated Skirt
- **Engages in:** Cooking
- **Role:** Full Sister, High School Student, Psychic, Younger Sister, Psychometrist
- **Personality:** Altruistic, Kind, Honest, Brother Complex, Atashi
- **Items:** Mobile Phone, Bag
- **Voiced by:** Yukino Satsuki

### Narumiya Hideaki (成宮 英明)
- **Gender:** Male
- **Measurements:** Height: 182cm
- **Hair:** Brown, Curtained, Short, Parted to Side
- **Eyes:** Brown, Grey, Hosome
- **Body:** Slim, Adult
- **Clothes:** Coat, Suit, Scarf, Necktie, Shirt, Belt
- **Role:** Butler, Psychiatrist
- **Personality:** Kind, Protective, Loyal, Serious, Watashi
- **Voiced by:** Aizawa Masaki

### Ryuu (リュウ)
- **Gender:** Male
- **Hair:** Black, Short
- **Eyes:** Brown
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Trousers, Jacket, Necktie, Shirt, T-shirt, Vest, Tank Top, Pendant Necklace
- **Personality:** Ore, Smart, Perfectionist, Pragmatic
- **Subject of:** Split Personality
- **Engages in:** Basketball
- **Role:** Exorcist
- **Items:** Ball
- **Voiced by:** Seki Tomokazu

### Yuzuhara Nanami (柚原 七生)
- **Gender:** Male
- **Hair:** Blond, Short
- **Body:** Pale, Young-adult
- **Clothes:** School Uniform, Trousers, Suit, Jacket, Necktie, Shirt
- **Eyes:** Grey
- **Personality:** Ore, Grumbler, Stylish
- **Role:** Son, Teacher, Half-brother
- **Subject of:** Avoidable Death (obsolete)
- **Voiced by:** Tasaka Hideki

### Atsushi (アツシ)
- **Gender:** Male
- **Hair:** Blond, Curtained, Shoulder-length, Goatee
- **Body:** Pale, Young-adult
- **Eyes:** Black
- **Clothes:** Earrings, Jacket, Cross Necklace
- **Role:** Acquaintance
- **Personality:** Violent

### Ebisawa Shouichi (蛯沢 照一)
- **Gender:** Male
- **Hair:** Blond, Wavy, Short, Stubble
- **Body:** Pale, Wings
- **Clothes:** School Uniform, Trousers, Jacket, Necktie, Shirt, Vest
- **Subject of:** Amnesia
- **Eyes:** Black, Itome
- **Personality:** Ore, Funny
- **Role:** High School Student, Ghost
- **Engages in:** Swimming
- **Voiced by:** Tsuruoka Satoshi

### Hanako (ハナコ)
- **Gender:** Female
- **Aliases:** トイレの花子サン, Hanako of the toilet
- **Hair:** Black, Waist Length+, Wavy, Eye Covering, Blunt Bangs
- **Body:** Slim, Kid
- **Eyes:** Red
- **Clothes:** Dress
- **Role:** Ghost
- **Personality:** Atashi

### Jinnai Ayuri (陣内 あゆり)
- **Gender:** Female
- **Measurements:** Height: 168cm
- **Hair:** Black, Ponytail, Waist Length+, Straight, No Bangs
- **Eyes:** Brown, Grey, Tareme
- **Body:** Pale, Young-adult, Nail Polish
- **Clothes:** Coat, Scarf, Skirt, Lab Coat, High Heels, Miko's Dress, Bracelet
- **Role:** Miko, Psychic, School Nurse
- **Personality:** Kind, Wise, Watashi
- **Voiced by:** Saiga Mitsuki

### Kai (カイ)
- **Gender:** Male
- **Hair:** Brown, Short, Moustache, Thick Eyebrows, Short Bangs
- **Eyes:** Black, Hosome
- **Body:** Young-adult
- **Clothes:** Earrings, Jacket, Shirt, Jeans, Belt, Pendant Necklace
- **Role:** Acquaintance

### Kashiwagi Reiko (柏木 玲子)
- **Gender:** Female
- **Hair:** Brown, Long, Wavy, Blunt Bangs
- **Eyes:** Brown, Tareme
- **Body:** Slim, Pale, Young-adult, Mole, Makeup
- **Subject of:** Assault, Death, Kidnapping, Hospitalization, Homicide
- **Clothes:** Dress, Pendant Necklace
- **Role:** Mother, Twin Sister, Ghost, Host(ess), Older Sister, Criminal Accomplice
- **Voiced by:** Kubota Megumi

### Kitami Shingo (北見 信吾)
- **Gender:** Male
- **Hair:** Black, Short, Parted to Side
- **Clothes:** Uniform, Rain Coat, Necktie, Shirt
- **Eyes:** Black, Hosome
- **Body:** Olive, Wrinkles
- **Subject of:** Accident
- **Role:** Father
- **Engages in:** Murder, Kidnapping, Betrayal, Theft
- **Items:** Club
- **Voiced by:** Tsuruoka Satoshi

### Miyake Masae (三宅 雅恵)
- **Gender:** Female
- **Hair:** Brown, Long, Wavy, Short, No Bangs
- **Eyes:** Brown, Tareme
- **Body:** Pale, Adult
- **Clothes:** Jacket, Shirt, Skirt, Turtleneck Sweater
- **Role:** Mother, Non-blood-related Mother, Prisoner
- **Items:** Handbag
- **Engages in:** Kidnapping

### Nagai Youko (永井 曜子)
- **Gender:** Female
- **Hair:** Brown, Long, Wavy, Blunt Bangs
- **Eyes:** Brown, Tareme
- **Body:** Slim, Pale, Young-adult
- **Clothes:** Dress
- **Role:** Twin Sister, Aunt, Non-blood-related Mother, Younger Sister

### Saijou Yoshiyuki (西條 吉幸)
- **Gender:** Male
- **Hair:** Brown, Curtained, Short, Parted in Middle
- **Clothes:** School Uniform, Trousers, Jacket, Necktie, Shirt, Vest
- **Body:** Young-adult
- **Engages in:** Suicide
- **Subject of:** Death, Wounding
- **Role:** High School Student, Ghost

### Schoolboy a (男子生徒a)
- **Gender:** Male
- **Hair:** Blue, Short, Parted to Side
- **Eyes:** Brown
- **Body:** Pale
- **Clothes:** School Uniform, Jacket, Necktie, Shirt
- **Personality:** Ore, Short-tempered, Opposite Gender Voiced
- **Role:** High School Student, Ghost, No Name
- **Voiced by:** Saiga Mitsuki

### Schoolboy b (男子生徒b)
- **Gender:** Male
- **Hair:** Brown, Shoulder-length
- **Eyes:** Brown
- **Body:** Teen, Pale
- **Clothes:** School Uniform, Jacket, Necktie, Shirt
- **Personality:** Ore, Timid
- **Role:** High School Student, Ghost, No Name
- **Voiced by:** Fukuyama Jun

### Yuzuhara Ichiya (柚原 壱矢)
- **Gender:** Male
- **Hair:** Brown, Curtained, Short, Thick Eyebrows, Parted to Side
- **Body:** Pale, Adult, Wrinkles
- **Clothes:** Suit, Necktie, Shirt
- **Role:** Father, Wealthy, Older Brother
- **Subject of:** Avoidable Death (obsolete)
- **Personality:** Watashi
- **Voiced by:** Tsuruoka Satoshi

### Yuzuhara Ryuu (柚原 流生)
- **Gender:** Male
- **Hair:** Black, Short, Eye Covering
- **Clothes:** School Uniform, Glasses, Jacket, Shirt, Shorts, String Ribbon Tie
- **Eyes:** Hidden
- **Body:** Kid
- **Role:** Son, Ghost, Half-brother
- **Personality:** Vindictive, Envious
- **Engages in:** Parricide, Fratricide

## Releases
### Japanese
- **2005-11-25**: invisible sign -Isu- Nemureru Mori - [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=6173)

### Chinese (simplified)
- **2008-08-08**: Invisible Sign -Isu- Chenshui zhi Sen

## Tags
ESP, Superpowers, Horror, ADV, High School, Male Protagonist, Protagonist with Voice Acting, Multiple Endings, Murder Mystery, Bloody Scenes, One True End, No Sexual Content, Protagonist with Multiple Personalities, Detective Work, Ghost, Slice of Life, Unlockable Routes, Butler Support Character, Student Protagonist, Multiple Route Mystery, Other Perspectives, All-boys School, Bad Ending(s), Protagonist with a Face, Side Portraits, Lots of Event CGs, Game Over, High School Student Protagonist, Unlockable Choices, More Than Seven Endings, Dream, Joke Endings, Meaningless Choices, Ending List, Normal Scene Recollection, Choices with 4 or More Options, Multi-Selection Choices, Protagonist with a Sprite, Friendship Ending, Voiced Thoughts, Homosexual Male Protagonist

## More Games from lapin
- [invisible sign -Isu-](https://pinovel.net/v3672)
- [invisible sign -Isu- Nemureru Mori](https://pinovel.net/v3673)

---
*View the full details at [pinovel.net/v3673](https://pinovel.net/v3673).*

```json
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```