Natsuiro Penguin


Natsuiro Penguin
TitleNatsuiro Penguin
Original title夏いろペンギン
Publishers Little Princess


Since his parents have gone abroad on business, he now lives at his cousin's house in a town, where he used to live. He meets various childhood friends there. It's busy, but he enjoys his school life. This is a love comedy adventure game taken place in a small town. Who will stay by his side in the end...?

[From Eroge Shop]

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Main characters

Hiiragi Yuka
Hiiragi Yuka柊 柚夏 
MeasurementsHeight: 155cm, Bust-Waist-Hips: 85-59-82cm
Hair, Antenna, Pink, Short, Straight, Twin Tails
Eyes, Blue
Body, Average Height, Pale, Slim, Teen
Clothes, Hoodie, Knee-high Socks, Loafers, Maid's Dress, Miniskirt, Pleated Skirt, Sailor Suit, School Uniform, Sports Shoes, Sports Swimsuit, Swim Cap, Thigh-high Stockings, T-shirt, Yukata
Personality, Atashi, Energetic, Food Lover, Sensitive, Sweets Lover, Tomboy
Role, Classmate, Friend, High School Student, Part-time Worker, Popular, Schoolmate, School Swimming Club Member, Waitstaff
Engages in, Swimming
Engages in (Sexual)
Subject of (Sexual)
Voiced byFuyumiya Mea


One of Ryou's classmates and Saori's best friend. An energetic girl who's popular with both girls and boys. She is an excellent swimmer and is hyped up to become the swimming club's next president. Despite her masculine hobbies and likes she has a girly side to her as well.

Hisaki Mei
Hisaki Mei久葵 芽衣 
MeasurementsHeight: 163cm, Bust-Waist-Hips: 89-59-85cm
Hair, Braid, Cyan, Parted to Side, Spiky Bangs, Waist Length+
Eyes, Tareme, Violet
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Armband, Glasses, Hairpin, Knee-high Socks, Loafers, Maid's Dress, Ribbon Hair Tie, Sailor Suit, School Uniform, Thigh-high Stockings, Unusual Hair Ornaments, Yukata
Personality, Clumsy, Hardworker, Kind, Nature Lover, Timid, Watashi
Role, Childhood Friend, High School Student, Neighbor, Part-time Worker, Schoolmate, Senpai, Student Council President, Waitstaff
Engages in (Sexual)
Subject of (Sexual)
Voiced bySuzuta Miyako


Ryou's upperclassman and the student council president. She can't say no to anyone asking for her help and tends to worry over whether she's actually helpful or not. Loves large penguins and collecting penguin goods. Mei is also both childhood friends and next door neighbors with Hibiki.

Side characters

MeasurementsHeight: 20cm
Hair, Antenna, Grey
Eyes, Round
Body, Tiny
Clothes, Armband
Role, Bird, Mascot Character
Engages in (Sexual)


A fairy penguin and the mascot character of the cafeteria Premiere.

Nogisaka Madoka
Nogisaka Madoka乃木坂 宙 
MeasurementsHeight: 165cm, Bust-Waist-Hips: 91-57-88cm
Hair, Brown, Shaggy, Short
Eyes, Green, Tareme
Body, Average Height, E+ Cup, Pale, Slim, Young-adult
Clothes, Lace Lingerie, Skirt
Personality, Friendly, Hardworker, Kind, Sleepyhead
Role, Cousin, Famous, Full Sister, Management, Older Sister, Roommate
Engages in, Cleaning, Cooking
Engages in (Sexual)
Subject of (Sexual)
Voiced byKazane


Ryou's cousin and Kei's older sister and the manager of the cafeteria Premiere. Because her parents are on a long trip, she takes care of it. Used to go Ryou's school, where she was a charismatic student council president and admired by both the students and teachers; she's also seen as a bit of a legend. Despite her hardworking and tidy personality, she loves sleeping and her personality changes when somebody tries interrupting her sleep.

Shirase Moka
Shirase Moka白瀬 百歌 
MeasurementsHeight: 151cm, Bust-Waist-Hips: 79-59-83cm
Hair, Blue, Short
Eyes, Blue
Body, Average Height, Pale, Slim, Teen
Clothes, Boots, Crown, Earrings, Miniskirt, Thigh-high Stockings
Voiced byMizushima Rion
Takane Hibiki
Takane Hibiki貴峰 ひびき 
MeasurementsHeight: 168cm, Bust-Waist-Hips: 84-60-86cm
Hair, Shoulder-length, Sidehair, Violet
Eyes, Pink, Tsurime
Body, Average Height, Pale, Slim, Teen
Clothes, Loafers, Sailor Suit, School Uniform
Personality, Protective, Watashi
Role, Childhood Friend, High School Student, Popular, School Kendo Club President, Schoolmate, Senpai
Engages in, Kendo
Engages in (Sexual)
Subject of (Sexual)
Voiced byShirahime Mio


A student in Class 3-B who's Mei's childhood friend and next-door neighbor. She is also skilled at kendo, the kendo club's president and a regular at national tournaments. Due to her cool appearance, combined with the aforementioned fact, she is quite popular with the girls. Unlike what her appearance suggests, Hibiki loves reading romance novels.

Yaehashi Sana
Yaehashi Sana八重橋 紗南 
MeasurementsHeight: 150cm, Bust-Waist-Hips: 79-59-83cm
Hair, Long, Pink
Eyes, Pink
Body, Average Height, Pale, Slim, Teen
Clothes, Skirt
Voiced byMatsunaga Yuki