---
title: "_summer"
description: "Takumi Kaizu is a normal high school student enjoying his school life with his friends. Over the years, he has made good memories with these friends of his, mos"
image: "https://t.vndb.org/cv/35/89535.jpg"
---

# _summer

![_summer](https://t.vndb.org/cv/35/89535.jpg)

**Aliases:** アンダーバーサマー, Underbar Summer

**Developer:** HOOKSOFT

**Release date:** Jul 15, 2005

**Platform:** Windows, PS2

**Language:** Japanese

**Rating:** 7.6/10 (38 votes)

## Description
Takumi Kaizu is a normal high school student enjoying his school life with his friends. Over the years, he has made good memories with these friends of his, most of whom are girls, though apparently still have no overt feelings of attraction towards any of them. When asked by his best male friend Osamu Funada if he likes anyone, Takumi starts to think about it though is still confused on what to do next. Takumi decides to find someone to like while summer vacation enters.

## Characters
### Kaizu Takumi (海津 匠)
Takuumi comes from a single-parent family, but his father is often away for work, so he lives alone with his stepsister, Sana. He has been childhood friends with Hatano Konami, Ebizuka Shino, and Funada Osamu since they were little. What's more, they're in the same class. He has a rather reserved personality, so there's no talk of romance about him. One night during a school trip, when he started talking about love with the boys in his room, he was the only one who didn't know who he liked. That was the trigger that made him start to become aware of the girls around him.

- **Gender:** Male
- **Hair:** Brown, Short
- **Role:** Step Brother, Boyfriend, Childhood Friend, Classmate, Senpai, Kouhai, High School Student, Older Brother

### Amano Chiwa (天野 千輪)
Chiwa is Sana's best friend who has an odd personality.She always speaks with a silent tone and will often point the obvious during times relating to something perverted that either Takumi or Osamu have done. She will usually do certain things that give her a creepy visage and is known to be unpredictable

- **Gender:** Female
- **Measurements:** Height: 150cm, Bust-Waist-Hips: 78-55-80cm
- **Birthday:** 25 October
- **Hair:** Violet, Twin Tails, Shoulder-length, Spiky Bangs
- **Body:** Pale, Small Breasts
- **Eyes:** Hazel
- **Clothes:** Apron, Knee-high Socks, One Piece Swimsuit, Cross Design, Unusual Hair Ornaments, Waitstaff Uniform, Sailor School Uniform
- **Role:** Girlfriend, Friend, Kouhai, Fortune Teller
- **Personality:** Relaxed, Strange, Mysterious, Taciturn
- **Voiced by:** Hokuto Minami

### Ebizuka Shino (海老塚 信乃)
Shino is Konami's closest female friend who has a tough personality. She often acts in ways to defend Konami or react strongly on her behalf when she will not speak up over certain matters. She has shown herself to have a temper and often will get angry at Osamu's repeated perverted actions, which often earns him a beating on Shino's behalf.

- **Gender:** Female
- **Measurements:** Height: 162cm, Bust-Waist-Hips: 80-56-82cm
- **Birthday:** 28 March
- **Hair:** Blue, Long, Curtained, Hair Loopies
- **Clothes:** School Uniform, Kimono, T-shirt, Miko's Dress, Ribbon Hair Tie, Spats, Sailor School Uniform
- **Engages in:** Cooking
- **Role:** Childhood Friend, Miko, Classmate, High School Student
- **Personality:** Classic Tsundere, Childishly Violent
- **Eyes:** Garnet
- **Voiced by:** Kaneda Mahiru

### Hatano Konami (波多野 小奈美)
Konami is the main heroine who usually has a quiet, timid personality, though is also very helping. She is the seagull-loving childhood friend of Takumi and even goes as far as to go over to Takumi's house every morning and make him breakfast. Konami is a close friend of Shino Ebizuka, though they are not alike personality wise.

- **Gender:** Female
- **Measurements:** Height: 158cm, Bust-Waist-Hips: 84-58-86cm
- **Birthday:** 21 April
- **Hair:** Blond, Long
- **Clothes:** School Uniform, Apron, Miniskirt, Beret, Yukata, Sailor School Uniform
- **Engages in:** Cooking
- **Eyes:** Blue
- **Personality:** Shy, Kind, Nature Lover, Quiet
- **Role:** Childhood Friend, Classmate, Neighbor, High School Student
- **Voiced by:** Maki Izumi

### Kaizu Sana (海津 沙奈)
Sana is Takumi's younger step-sister by one year who lives with him, though there is no blood relation between them. She most often has an active personality when awake, though still has problems getting up for school during the week despite now being in high school. Her best friend is Chiwa Amano who hangs out with her constantly.

- **Gender:** Female
- **Measurements:** Height: 148cm, Bust-Waist-Hips: 76-52-80cm
- **Birthday:** 31 August
- **Hair:** Ahoge, Shoulder-length, Orange
- **Clothes:** School Uniform, Hoodie, Beret, Yukata, Ribbon Hair Accessory, Old Type School Swimsuit, Sailor School Uniform, Naked Shirt
- **Eyes:** Blue, Tareme
- **Role:** Step Sister, High School Student, Half-orphan, Younger Sister
- **Personality:** Brother Complex, Sleepyhead
- **Body:** Small Breasts
- **Voiced by:** Kusayanagi Junko

### Nanao Hinako (七緒 日向子)
Hinako is Takumi's homeroom teacher. She is apparently hooked on buying strange and often useless mail-order products with the money she earns in her job. Since most of her money is spent in this fashion, she is usually found wandering the halls of the student cafeteria during lunchtime in hopes of getting free food. Hinako has a teacher friend called Kasumi.

- **Gender:** Female
- **Measurements:** Height: 162cm, Bust-Waist-Hips: 90-58-86cm
- **Birthday:** 3 March
- **Hair:** Pink, Ahoge, Ponytail, Long
- **Eyes:** Red
- **Body:** Adult, Big Breasts
- **Clothes:** Earrings, Pantyhose, Blouse, Yukata, Ribbon Hair Tie, Blazer
- **Personality:** Airhead, Clumsy
- **Role:** Teacher
- **Voiced by:** Naruse Mia

### Shimazu Wakana (島津 若菜)
Wakana is a very beautiful girl who is one year above Takumi. She seems to have a crush on Takumi, of which he is unaware of. At school, Yuno Kawakami will often follow her around either helping her out with simple things or by fending off pushy guys with a wooden sword.

- **Gender:** Female
- **Measurements:** Height: 165cm, Bust-Waist-Hips: 82-59-84cm
- **Birthday:** 12 January
- **Hair:** Black, Ponytail, Waist Length+, Parted in Middle
- **Clothes:** School Uniform, Knee-high Socks, Beret, Yukata, Decorative Belt, Sundress, Sailor School Uniform
- **Eyes:** Violet
- **Personality:** Deredere, Refined
- **Role:** Senpai, High School Student, Yamato Nadeshiko, Popular, Ojousama
- **Voiced by:** Aoyama Yukari

### Funada Osamu (船田 治)
- **Gender:** Male
- **Hair:** Blond, Short
- **Eyes:** Brown
- **Clothes:** Trousers, Shirt, T-shirt, Yukata
- **Personality:** Pervert
- **Role:** Childhood Friend, Classmate
- **Engages in:** Not Sexually Involved
- **Voiced by:** Takamine Yuuga

### Glasses Takahashi-san (めがねの高橋さん)
Host of the school broadcast program "Radio Romanesque".

- **Gender:** Female
- **Alias:** Megane no Takahashi-san
- **Traits:** 
- **Voiced by:** Torii Kanon

### Kawakami Yuno (川上 由乃)
Birthday: February 1 (Aquarius)
Blood type: B
Hobbies / special skills: General household chores
Favorite foods: Coffee, sheep sardines 
Dislikes: Takumi

- **Gender:** Female
- **Measurements:** Height: 152cm, Bust-Waist-Hips: 79-55-79cm
- **Hair:** Shoulder-length
- **Clothes:** School Uniform, Necktie, Beret, Choker, Sailor School Uniform
- **Eyes:** Green
- **Personality:** Ignorant, Protective
- **Role:** Kouhai
- **Engages in:** Not Sexually Involved
- **Voiced by:** Kouzuki Aoi

### Master Ochi Musha (落ち武者マスター)
- **Gender:** Male
- **Hair:** Brown, Moustache
- **Clothes:** Apron, T-shirt, Jeans
- **Eyes:** Itome
- **Items:** Cigarette
- **Voiced by:** Oily Hana

### Suda Kasumi (梳田 かすみ)
- **Gender:** Female
- **Measurements:** Height: 164cm, Bust-Waist-Hips: 88-56-90cm
- **Hair:** Pink, Short, Parted to Side
- **Eyes:** Green
- **Clothes:** Earrings, T-shirt, Jeans, Belt
- **Voiced by:** Isshiki Hikaru

### Tachibana Chizuru (立花 智鶴)
- **Gender:** Female
- **Hair:** Black, Long, Parted to Side, Asymmetrical Sidehair
- **Body:** Slim, Pale, Young-adult
- **Eyes:** Violet
- **Clothes:** Kimono
- **Role:** Teacher, Yamato Nadeshiko, Student Club Advisor, School Tea Ceremony Club Member
- **Personality:** Strict, Refined, Kind, Patriotic, Sweets Lover, Old-fashioned, Mischievous
- **Engages in:** Aikido
- **Voiced by:** Isshiki Hikaru

## Shops
- [Official Website](http://www.hook-net.jp/usr/)
- [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ005751.html)
- [Getchu](http://www.getchu.com/soft.phtml?id=1340682)

## Releases
### Japanese
- **2005-07-15**: _summer - [Official website](http://www.hook-net.jp/_summer/), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=4982), [Getchu](http://www.getchu.com/soft.phtml?id=153001)
- **2006-08-24**: _summer## Underbar Summer Double Sharp - First Press Limited Edition - [Official website](http://www.goodnavigate.com/GN/products/_summer/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=7340), [PlayAsia](https://www.play-asia.com/13/701fhn)
- **2006-08-24**: _summer## Underbar Summer Double Sharp - Regular Edition - [Official website](http://www.goodnavigate.com/GN/products/_summer/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=7340), [PlayAsia](https://www.play-asia.com/13/701fhm)
- **2007-10-04**: _summer## Underbar Summer Double Sharp - Best Edition - [Official website](http://www.goodnavigate.com/GN/products/_summer/index.html), [PlayAsia](https://www.play-asia.com/13/70261z)
- **2007-12-21**: _summer - Renewal Edition - [Official website](http://www.hook-net.jp/usr/), [Getchu](http://www.getchu.com/soft.phtml?id=470205)
- **2011-03-25**: _summer - Renewal Edition - Download Edition - [Official website](http://www.hook-net.jp/usr/), [DLsite](https://www.dlsite.com/pro/work/=/product_id/VJ005751.html), [Gyutto](https://gyutto.com/i/item6818), [Digiket](https://www.digiket.com/work/show/_data/ID=ITM0052521/), [DL.Getchu](http://dl.getchu.com/i/item1003139), [DMM](https://dlsoft.dmm.co.jp/detail/ggs_0559/)
- **2013-12-20**: Hooksoft Rakko The Premium Box Plus α
- **2019-10-04**: _summer - Renewal Edition for Win10 - [Official website](http://www.hook-net.jp/usr/), [DMM](https://dlsoft.dmm.co.jp/detail/has_0058/)
- **2020-07-31**: HOOKSOFT 20th Anniversary Royal Box 2002-2017 - [Official website](http://www.hook-net.jp/hook20thpack/index.html), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=670054), [Getchu](http://www.getchu.com/soft.phtml?id=1091035), [Toranoana](https://ec.toranoana.shop/tora/ec/item/210006613641/)
- **2025-11-28**: HOOKSOFT 25th Discovery Box 2002-2022 - [Official website](https://www.hook-net.jp/hook25thpack/), [Melonbooks.co.jp](https://www.melonbooks.co.jp/detail/detail.php?product_id=3105755), [Getchu](http://www.getchu.com/soft.phtml?id=1340682)

## Tags
ADV, High School, Romance, Protagonist's Senpai as a Heroine, Miko Heroine, Male Protagonist, Multiple Endings, Teacher Heroine, One True End, Protagonist's Childhood Friend as a Heroine, Protagonist's Non-blood-related Sister as a Heroine, Student Heroine, Student Protagonist, Protagonist's Kouhai as a Heroine, Defloration, Timed Choices, Twin Tail Heroine, Sixty-nine, Fortune-teller Heroine, High School Student Heroine, Sex with Protagonist Only, Tsundere Heroine, Childishly Violent Heroine, Heroine with Small Breasts (Non-Loli), Non-blood-related Brother/Sister Incest, Protagonist's Younger Sister as a Heroine

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---
*View the full details at [pinovel.net/v89](https://pinovel.net/v89).*

```json
{"@context":"https://schema.org","@type":"VideoGame","@id":"https://pinovel.net/v89#game","name":"_summer","description":"Takumi Kaizu is a normal high school student enjoying his school life with his friends. Over the years, he has made good memories with these friends of his, mos","url":"https://pinovel.net/v89","image":"https://t.vndb.org/cv/35/89535.jpg","author":{"@type":"Organization","name":"HOOKSOFT"},"aggregateRating":{"@type":"AggregateRating","ratingValue":"7.6","bestRating":10,"worstRating":1,"ratingCount":38}}
```