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)


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!]

Hide spoilersShow minor spoilersSpoil me! | Show sexual traits


Main characters

Amakake Naho天翔 奈穂B
MeasurementsHeight: 157cm, Bust-Waist-Hips: 90-59-84cm
Birthday17 August
HairIntake, Odango, Orange, Sidehair, Spiky Bangs, Twin Tails, Waist Length+, Wavy
EyesCentral Heterochromia, Green, Teal
BodyAverage Height, Big Breast Sizes, Pale, Slim, Teen
ClothesBikini, Blouse, Clothing with Ribbons, Hair Flower, Hairpin, Loafers, Miniskirt, Necklace, Pajamas, Pleated Skirt, Ribbon Hair Tie, Sailor School Uniform, School Uniform, Sports Shoes, String Ribbon Tie, Tank Top, Thigh-high Stockings
ItemsStuffed Toy
PersonalityCharismatic, Curious, Friendly, Kind
RoleFriend, High School Student, Popular, School Extraordinary Club President, Schoolmate, Senpai
Engages inShopping, Swimming, Tennis, Volleyball
Subject ofBirthday Celebration
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クリスティーナ・愛美・レイヴンズクロフトO
Aliasesクリス, Chris, Ai, Kurikuri
MeasurementsHeight: 155cm, Bust-Waist-Hips: 94-59-89cm
Birthday7 July
HairBlond, Braided Headband, Hair Loopies, Shoulder-length, Sidehair, Spiky Bangs, Wavy
BodyAverage Height, Big Breast Sizes, Pale, Slim, Teen
ClothesBikini, Sailor School Uniform, School Uniform, Thigh-high Stockings, Unusual Hair Ornaments
PersonalityAirhead, Honest, Naive, Relaxed, Stubborn
RoleClassmate, Discipline Committee Member, Foreigner, Friend, Half-Japanese, High School Student, Kouhai, Ojousama, Popular, School Extraordinary Club Member, Schoolmate
Engages inSwimming
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媛守 彩音A
MeasurementsHeight: 162cm, Bust-Waist-Hips: 92-62-86cm
Birthday13 December
HairBlack, Blunt Bangs, Bun, Sidehair, Side Tail, Straight, Waist Length+
BodyAverage Height, Big Breast Sizes, Pale, Slim, Teen
ClothesBikini, Flower, Kanzashi, Miko's Dress, Miniskirt, Sailor School Uniform, Sandals, School Uniform, Shirt, String Ribbon Tie, Thigh-high Stockings, Zouri
PersonalityKind, Serious, Shy, Stubborn, Tsundere, Watashi
RoleDaughter, Friend, Full Sister, High School Student, Miko, Older Sister, School Extraordinary Club Member, Schoolmate
Engages inSwimming
Subject ofWounding
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茅野 妃那莉AB
AliasesHina, Hina-chan
MeasurementsHeight: 136cm, Bust-Waist-Hips: 70-53-70cm
Birthday30 April
HairSidehair, Straight, V Bangs, Violet, Waist Length+
EyesGreen, Teal
BodyPale, Short, Slim, Teen, Younger Appearance
ClothesAnkle Socks, Ribbon Hair Tie, Sailor School Uniform
PersonalityAtashi, Mature, Reserved, Secretive, Stoic
RoleHigh School Student, Older Sister, Schoolmate, Senpai
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.

<hidden by spoiler settings>

Side characters

Himekami Mine媛守 美音A
MeasurementsHeight: 148cm, Bust-Waist-Hips: 81-57-79cm
Birthday3 November
HairBlack, Shoulder-length, Sidehair, Straight, V Bangs
EyesGarnet, Tareme
BodyAverage Height, Pale, Slim
ClothesBlouse, Cardigan, Hairpin, Miko's Dress
RoleDaughter, Full Sister, Miko, Younger Sister
Subject ofIllness
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.

Kongou Isami金剛 伊佐美A
MeasurementsHeight: 160cm, Bust-Waist-Hips: 91-61-85cm
Birthday4 April
HairBrown, Curtained, Ponytail, Shoulder-length, Wavy
BodyAverage Height, Big Breast Sizes, Pale, Slim, Teen
ClothesAnkle Boots, Bikini, Collar, Cowboy Hat, Hair Flower, Off-The-Shoulder Shirt, Over The Knee Socks, School Uniform, Tank Top
PersonalityDeredere, Optimist, Outgoing, Relaxed, Stylish
RoleFriend, High School Student, School Extraordinary Club Member, Schoolmate
Engages inShopping, Teasing
Subject ofTurndown
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.

MeasurementsHeight: 163cm, Bust-Waist-Hips: 96-60-88cm
Birthday22 June
HairBlond, Sidehair, Spiky Bangs, Twin Tails, Waist Length+
EyesTareme, Violet
BodyAverage Height, Big Breast Sizes, Pale, Slim, Teen
ClothesCollar, Knee-high Boots, Maid's Dress, Maid's Headdress, Thigh-high Stockings
PersonalityCurious, Friendly, Mischievous, Refined
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.

Yumemiyakawa Otoha夢宮川 音羽A
MeasurementsHeight: 167cm, Bust-Waist-Hips: 97-60-92cm
Birthday24 May
HairShoulder-length, Sidehair, Spiky Bangs, Straight, Teal
BodyBig Breast Sizes, Pale, Slim
ClothesBikini, Blindfold, Glasses, Hairpin, Knee-high Socks, Off-The-Shoulder Shirt, Sailor School Uniform
PersonalityHardworker, Proactive, Strict
RoleHigh School Student, Student Council President
Engages inShopping
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.