---
title: "Natsuiro Kokoro Log ~Happy Summer~"
description: "This is the fandisc for Natsuiro Kokoro Log, featuring after stories for each of the four heroines, as well as harem routes for both the real and virtual worlds"
image: "https://t.vndb.org/cv/80/92480.jpg"
---

# Natsuiro Kokoro Log ~Happy Summer~

![Natsuiro Kokoro Log ~Happy Summer~](https://t.vndb.org/cv/80/92480.jpg)

**Alternative Title:** ナツイロココロログ～Happy Summer～

**Aliases:** Rorolog HS, 夏色心跳日志 FD

**Developer:** Hearts

**Release date:** Mar 24, 2017

**Platform:** Windows

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

**Rating:** 7.4/10 (64 votes)

## Description
This is the fandisc for Natsuiro Kokoro Log, featuring after stories for each of the four heroines, as well as harem routes for both the real and virtual worlds. It takes place one year after the original game as the computer research club members head to a training camp and end up helping out at a traditional Japanese café.

[From [Hau~ Omochikaeri!](https://omochikaeri.wordpress.com/2017/03/01/march-2017-eroge-releases/)]

## Characters
### Ominae Yoshito (臣苗 嘉人)
A second year at Ashinomiya Academy.

- **Gender:** Male
- **Measurements:** Height: 180cm
- **Hair:** Brown, Short, Straight
- **Eyes:** Brown, Hosome
- **Body:** Teen, Slim, Pale
- **Clothes:** School Uniform, Trousers, Necktie, Shirt, T-shirt, Vest, Swim Shorts, Loafers, Polo Shirt
- **Personality:** Ore, Pervert, Friendly, Kind, Smart, Honest
- **Role:** Husband, Full Brother, Boyfriend, Childhood Friend, Senpai, Kouhai, Gamer, Older Brother, School PC Club Member, Eleventh Grader
- **Engages in:** Unarmed Fighting, Competition, Wedding, Bridal Carry

### Nagi Kisara (名城 綺新)
A 3rd year at the school, and leader of the computer club. She semi-forces Yoshito into the club via an online competition. For obvious reasons, she is loved in the martial arts clubs for fighting in her school uniform, which she visits regularly to hone her skills.

- **Gender:** Female
- **Measurements:** Height: 160cm
- **Birthday:** 24 March
- **Hair:** Black, Waist Length+, Straight, Intake, V Bangs, Spiky Bangs, Sidehair, Tiny Braid
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** School Uniform, Headband, Cross Necklace, Gloves, Wedding Dress, Bikini, Garter Belt Stockings, Hairpin, Yukata, Clothing with Ribbons, Ribbon Hair Accessory, Bridal Gauntlet, Choker, Off-The-Shoulder Shirt, Sailor School Uniform
- **Personality:** Airhead, Tomboy, Naive, Competitive, Watashi
- **Engages in:** Martial Arts, Computering, Wedding
- **Role:** Senpai, Gamer, School PC Club President, Twelfth Grader
- **Eyes:** Garnet
- **Voiced by:** Kawashima Rino

### Nanakuni Kotone (七国 小都音)
The shy kouhai of Yoshito, and Rin's classmate. Loves gardening and also took a liking to worms and slugs.

Her digital avatar is the famous idol "Lie".

- **Gender:** Female
- **Measurements:** Height: 148cm
- **Birthday:** 10 June
- **Hair:** Blue, Ahoge, Long, Shoulder-length, Straight, Cyan, V Bangs, Spiky Bangs, Sidehair
- **Body:** Teen, Slim, Pale, Medium Breasts
- **Eyes:** Blue, Violet, Heterochromia
- **Clothes:** Miniskirt, Shawl, Tank Top, Bikini, Hairpin, Yukata, Body Ribbon, Clothing with Ribbons, Sailor School Uniform, Short Shorts, Ribbon Headband, Sleeveless Dress
- **Personality:** Shy, Low Self-esteem, Kind, Nature Lover, Watashi
- **Subject of:** Split Personality, Fainting
- **Role:** Childhood Friend, Classmate, Kouhai, School PC Club Member, Tenth Grader
- **Engages in:** Computering
- **Voiced by:** Yahiro Mami

### Ominae Rin (臣苗 鈴)
Yoshito's sister, who is a closet Brocon. She became that way to be a reliable sister, but her digital avatar shows her true self, one  that still wants to be spoiled. Also a classmate & friend of Kotone.

- **Gender:** Female
- **Measurements:** Height: 150cm
- **Birthday:** 3 December
- **Hair:** Brown, Long, Straight, Side Tail, V Bangs, Spiky Bangs, Asymmetrical Sidehair, Half Updo
- **Eyes:** Brown
- **Body:** Teen, Slim, Pale, Left Handed, Medium Breasts
- **Personality:** Hard Worker, Friendly, Kind, Brother Complex, Third Person, Watashi, Cheerful
- **Engages in:** Cooking, Cleaning
- **Clothes:** Apron, Dress, Beret, Bikini, Bell (accessory), Hairpin, Hair Flower, Yukata, Ribbon Tie, Body Ribbon, Clothing with Ribbons, Hair Tie, Over The Knee Socks, Sailor School Uniform, Thigh Band, Sailor Suit
- **Role:** Full Sister, Classmate, Kouhai, Younger Sister, School PC Club Member, Secret Girlfriend, Tenth Grader
- **Voiced by:** Kano Manaka

### Tokiwa Kuon (常磐 久遠)
Childhoodfriend of Yoshito and Rin, as well as the Vice President of the Student Council. Not having seen each other for quite some time, she uses the club under the cover of "supervision" to spend more time with him again.

- **Gender:** Female
- **Measurements:** Height: 156cm
- **Birthday:** 24 August
- **Hair:** Red, Ahoge, Odango, Twin Tails, Waist Length+, Straight, Intake
- **Body:** Teen, Slim, Pale, Big Breasts
- **Clothes:** School Uniform, Mini-dress, Necklace, Thigh-high Stockings, Wedding Dress, Bikini, Pendant Necklace, Yukata, Ribbon Hair Tie, Bridal Gauntlet, Sailor School Uniform
- **Personality:** Hard Worker, Pretending, Outgoing, Refined, Watashi
- **Eyes:** Violet
- **Role:** Childhood Friend, Senpai, Kouhai, Gamer, Half-Japanese, Popular, School PC Club Member, Student Council Vice President, Ojousama, Eleventh Grader
- **Engages in:** Computering, Wedding
- **Subject of:** Bridal Carry
- **Voiced by:** Yomogi Kasumi

### Lie (ライ)
A famous idol in the digital world, and the digital avatar of Kotone.
[spoiler]She appears to be a (close to) independent personality inside Kotone, created from her low self-esteem.They are shown to communicate via a small hand mirror Kotone carries around with herself.[/spoiler]

- **Gender:** Female
- **Measurements:** Height: 154cm
- **Hair:** Blond, Ahoge, Straight, Side Tail, V Bangs, Spiky Bangs, Asymmetrical Sidehair
- **Body:** Teen, Slim, Pale, Big Breasts
- **Eyes:** Blue, Violet, Heterochromia
- **Clothes:** Wristband, Skirt, Miniskirt, Thigh-high Stockings, Collar, Bikini, Garter Belt Stockings, Hairpin, Clothing with Ribbons, Unusual Hair Ornaments, Mary Jane
- **Personality:** Deredere, Energetic, Assertive, Third Person
- **Role:** Popular, Famous, Net Idol, Virtual Avatar
- **Engages in:** Flying

## Shops
- [Official Website](https://hearts.amusecraft.com/rorologhs/index.html)

## Releases
### Japanese
- **2017-03-03**: Natsuiro Kokoro Log ~Happy Summer~ - Trial Edition - [Official website](https://hearts.amusecraft.com/rorologhs/special/trial.html)
- **2017-03-24**: Natsuiro Kokoro Log ~Happy Summer~ - [Official website](https://hearts.amusecraft.com/rorologhs/index.html), [ErogameScape](https://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/game.php?game=24412)
- **2017-07-07**: Natsuiro Kokoro Log ~Happy Summer~ Download Edition - [Official website](https://hearts.amusecraft.com/rorologhs/index.html), [DMM](https://dlsoft.dmm.co.jp/detail/spal_0121/)

### Chinese (simplified)
- **2026-05-01**: Xia Se Xin Tiao Ri Zhi Happy Summer - [Official website](https://rorolog-hs.popipa.org/)

## Tags
ADV, Blood-related Brother/Sister Incest, Brother/Sister Romance, Science Fiction, Male Protagonist, Teacher Heroine, High Sexual Content, Group Sex of One Male and Several Females, Virtual Reality, Tomboy Heroine, Half-Japanese Heroine, Brocon Heroine, Legwear Footjob, Single Footjob, High School Student Heroine, Heroine with Big Breasts, Protagonist's Full Sister as a Heroine, Protagonist's Senpai as a Heroine, Protagonist's Younger Sister as a Heroine, Protagonist's Kouhai as a Heroine, Protagonist's Childhood Friend as a Heroine, Heroine with Heterochromia, Summer

## More Games from Hearts
- [Mercuria ~Mizu no Miyako ni Koi no Hanataba o~](https://pinovel.net/v2630)
- [Koi Saku Miyako ni Ai no Yakusoku o ~Annaffiare~](https://pinovel.net/v12309)
- [Natsuiro Kokoro Log](https://pinovel.net/v18670)
- [Natsuiro Kokoro Log ~Happy Summer~](https://pinovel.net/v20261)
- [Koi Suru Kokoro to Mahou no Kotoba](https://pinovel.net/v22152)

---
*View the full details at [pinovel.net/v20261](https://pinovel.net/v20261).*

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