Koi x Koi = Infinity ~Koisuru Otome ni Dekiru Koto~

恋×恋=∞ ~恋する乙女にできること~

Koi x Koi = Infinity ~Koisuru Otome ni Dekiru Koto~
TitleKoi x Koi = Infinity ~Koisuru Otome ni Dekiru Koto~
Original title恋×恋=∞ ~恋する乙女にできること~
Aliases恋×恋=インフィニティ, 恋×恋=いんふぃにてぃ, 恋恋インフィニティ, こいこい いんふぃにてぃ
LengthMedium (10 - 30 hours)
Publishers PeasSoft


Fuuma is part of the ‘love support committee’, founded by the school’s most popular idol Naho, along with his senpai Ayane and imouto Nagisa, to give those boys and girls in love a little stiff push. Overcoming many obstacles, their ultimate goal is to revive the legend of love in the school and to know the importance of true love.

[From Hau~ Omochikaeri!]

Main characters

Amakake Naho
Amakake Naho天翔 奈穂 B
MeasurementsHeight: 157cm, Bust-Waist-Hips: 90-59-84cm
Birthday17 August
Hair, Curly, Intake, Odango, Orange, Sidehair, Spiky Bangs, Twin Tails, Waist Length+
Eyes, Central Heterochromia, Green, Teal
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Bikini, Blouse, Clothing with Ribbons, Hair Flower, Hairpin, Loafers, Miniskirt, Necklace, Pajamas, Pleated Skirt, Ribbon Hair Tie, Sailor Suit, School Uniform, Sports Shoes, String Ribbon Tie, Tank Top, Thigh-high Stockings
Items, Stuffed Toy
Personality, Charismatic, Curious, Friendly, Kind
Role, Girlfriend, High School Student, Popular, School Extraordinary Club President
Engages in, Shopping, Swimming, Tennis, Volleyball
Subject of, Birthday Celebration
Engages in (Sexual), Blowjob, Masturbation, Outdoor Sex, Sex in Classroom, Sex in Public Places, Virgin Sex
Subject of (Sexual), Missionary, Quickie Fix, Reverse Cowgirl, Vaginal Fingering
Voiced byKitami Rikka


"We can only experience youth once in our lifetime, and it would be a waste to not fall in love when you're young!"

Love Committee's chairman and the most popular student in the school. She has had a strong interest for love ever since her childhood, and thus she established the Love Committee in order to encourage people falling in love.

Christina Aimi Ravenscroft
Christina Aimi Ravenscroftクリスティーナ・愛美・レイヴンズクロフト O
Aliasesクリス, Chris
MeasurementsHeight: 155cm, Bust-Waist-Hips: 94-59-89cm
Birthday7 July
Hair, Blond, Braided Headband, Curly, Hair Loopies, Shoulder-length, Sidehair, Spiky Bangs
Eyes, Violet
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Bikini, Sailor Suit, School Uniform, Thigh-high Stockings, Unusual Hair Ornaments
Personality, Airhead, Honest, Naive, Relaxed, Stubborn
Role, Foreigner, Half-Japanese, High School Student, Ojousama, Popular
Engages in, Swimming
Subject of, Pregnancy
Engages in (Sexual), Outdoor Sex, Sex in Public Places, Virgin Sex
Voiced byMatsuda Risa


A half-Japanese ojousama who came to Japan with her parents. Nicknamed "Chris", she immediately gained popularity within the male students after her transfer. Christina is a girl with a kind and relaxed personality, and does have a stubborn and serious side as well, but it is often overshadowed by her airheaded attitude. She is also at times naive (due to her background) and maybe a little too honest.

Himekami Akane
Himekami Akane媛守 彩音 A
MeasurementsHeight: 162cm, Bust-Waist-Hips: 92-62-86cm
Birthday13 December
Hair, Black, Blunt Bangs, Bun, Sidehair, Side Tail, Straight, Waist Length+
Eyes, Blue
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Bikini, Flower, Kanzashi, Miko's Dress, Miniskirt, Sailor Suit, Sandals, School Uniform, Shirt, String Ribbon Tie, Thigh-high Stockings, Zouri
Personality, Kind, Serious, Shy, Stubborn, Tsundere, Watashi
Role, Daughter, Friend, Full Sister, Girlfriend, High School Student, Miko, Older Sister, School Extraordinary Club Member
Engages in, Swimming
Subject of, Pregnancy, Wounding
Engages in (Sexual), Blowjob, Boobjob, Masturbation, Outdoor Sex, Sex in Classroom, Sex in Public Places, Sixty-nine, Virgin Sex
Subject of (Sexual), Cowgirl, Doggy Style, Missionary, Quickie Fix, Tominagi, Vaginal Fingering
Voiced byHirano Kyouko


Naho's best friend who is a member of the Love Committee. She has nothing against men, but joined the Love Committee in order to stop Naho's outbursts. She works as a miko in her family's shrine with her younger sister Mine. Aside from being a serious and a stubborn girl, Akane has no experience with men and becomes very nervous when she's left alone with one.

Kayano Hinari
Kayano Hinari茅野 妃那莉 AB
MeasurementsHeight: 136cm, Bust-Waist-Hips: 70-53-70cm
Birthday30 April
Hair, Sidehair, Straight, V Bangs, Violet, Waist Length+
Eyes, Cyan
Body, Pale, Short, Slim, Teen, Younger Appearance
Clothes, Ankle Socks, Ribbon Hair Accessory, Sailor Suit
Personality, Atashi, Kind, Mature, Reserved, Stoic
Role, High School Student, Older Sister
Engages in (Sexual), Virgin Sex
Voiced byToono Soyogi


The kind and mature eldest daughter of the Kayano family who'd been studying overseas for a few years. Though Hinari appears emotionless on the outside, she is quite emotional and passionate on the inside and when angered, her expression changes completely. When things don't go well, she has a habit of puffing her cheeks up.

Kongou Isami
Kongou Isami金剛 伊佐美 A
MeasurementsHeight: 160cm, Bust-Waist-Hips: 91-61-85cm
Birthday4 April
Hair, Brown, Curly, Curtained, Ponytail, Shoulder-length
Eyes, Garnet
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Ankle Boots, Bikini, Collar, Cowboy Hat, Hair Flower, Off-The-Shoulder Shirt, Over The Knee Socks, School Uniform, Tank Top
Personality, Deredere, Optimist, Outgoing, Relaxed, Stylish
Role, Friend, High School Student, Schoolmate
Engages in, Shopping, Teasing
Subject of, Turndown
Voiced byAyukawa Miina


A girl who is in love with love. She falls in love very easily but is always turned down. Despite this, she is rarely heartbroken and optimistically continues through her life. Loves teasing other girls and is a fan of all kinds of fashion styles.

Yumemiyakawa Otoha
Yumemiyakawa Otoha夢宮川 音羽 A
MeasurementsHeight: 167cm, Bust-Waist-Hips: 97-60-92cm
Birthday24 May
Hair, Shoulder-length, Sidehair, Spiky Bangs, Straight, Teal
Eyes, Violet
Body, E+ Cup, Pale, Slim
Clothes, Bikini, Blindfold, Glasses, Hairpin, Knee-high Socks, Off-The-Shoulder Shirt, Sailor Suit
Personality, Hardworker, Proactive, Strict
Role, High School Student, Student Council President
Engages in, Shopping
Voiced byNaruse Mia


The student council president who is also Naho's biggest enemy because of her position and due to the fact that she's against the Love Committee and impure sexual relationships between boys and girls. Otoha is a hardworking and proactive girl who is kind towards girls, but not as lenient towards boys.

Side characters

Himekami Mine
Himekami Mine媛守 美音 A
MeasurementsHeight: 148cm, Bust-Waist-Hips: 81-57-79cm
Birthday3 November
Hair, Black, Shoulder-length, Sidehair, Straight, V Bangs
Eyes, Garnet, Tareme
Body, Average Height, Pale, Slim
Clothes, Blouse, Cardigan, Hairpin, Miko's Dress
Personality, Atashi
Role, Daughter, Full Sister, Miko, Younger Sister
Subject of, Illness
Voiced byNanase Yuka


Akane's younger sister. Because of her weak body, she is often forced to stay at home and believes to be a burden to both Akane and their parents. Due to this, she often tries her best to be independent and not rely on Akane all the time.

Ririリリィ O
MeasurementsHeight: 163cm, Bust-Waist-Hips: 96-60-88cm
Birthday22 June
Hair, Blond, Sidehair, Spiky Bangs, Twin Tails, Waist Length+
Eyes, Tareme, Violet
Body, Average Height, E+ Cup, Pale, Slim, Teen
Clothes, Collar, Knee-high Boots, Maid's Dress, Maid's Headdress, Thigh-high Stockings
Personality, Curious, Friendly, Mischievous, Refined
Role, Maid
Voiced byNaruse Mia


The Ravenscroft household's curious and mischievous maid. A competent and friendly maid, she is a bit worried about Christina's gullible and super honest personality. Lately, she has been interested in hearing about anything that happened to Chris at school, which she uses as a past time to enjoy herself.