[Female Lead's Lil Sister]
Yoon Bo Mi [Bomi of A Pink] as JESSICA Apperance and Attitude: Apperance ni Bomi. Energetic, Hyper, Friendly, Sarcastic, Talented.
Lee Geum Hee [Geum Hee uzzlang] as NICOLE ADDISON Apperance and Attitude: Sadista sa lahat ng bagay. Walang inuurungan at walang kinatatakutan. Masayahin, mahilig sa pogi, concern sa lahat. Hindi uto uto, Malakas ang mga senses, mabilis gumalaw, makulit, bihirang magseryoso, hindi madaling sumuko, mahilig sa pagkain, mahilig magpacute, mahilig maglipbite, mahilig magyakap ng mga cute, sporty type, kakaiba ang mata, natural reddish hair and Flawless.
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[Tao's Siblings]
Choi Jin Ri [Sulli of f(x)] as REZIELLE Apperance and Attidtude: Medyo Cold na supladita yung apperance pero pag nakilala mabait naman talaga siya. Malagaain, fun, fashionista, stereostype, at maganda.
Im Jin Ah [Nana of After School] as ZAIRA Apperance and Attitude: Apperance ni Nana. Snarky, Kala ng iba she's cold. Sa totoo she's sweet and caring. Protective din siya sa siblings niya. Mahilig mag-shopping at mag treat. Close to her siblings. Marunong ng Martial Arts. Older sister ni Tao.
[Tao's Bestfriend]
Kim Yoo Jin [Uee of After School] as Kim Ciara Apperance and Attitude: Maganda, Apperance ni Uee. Maarte at masungit kapag hindi pa kayo close. Cold kapag may problema. Gusto niya si Tao pero little sister lang ang turing ni Tao sakanya. Mabait, Mahilig sa kpop at gwapo. Mahilig sa sweets. Mahilig sa music.
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[Chen's Lil Sister]
Bae Woo Hee [Woohee of Dal Shabet] as ANGELICA Apperance and Attitude: Apperance of Woohee. Very sweet sa mga ka-close niya pero snob naman sa iba. Laging masaya pero may paka mysterious. Di siya madaling mag-trust, unless close ka sakanya. She likes to play piano and guitar. Spoiled by her brother. Her weekness are sweets. Twin ni Chen.
[Chen's Bestfriend Since birth]
Amber Liu [Amber of f(x)] as Dia Lee Apperance ni Amber and Attitude ni Chen.
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[Lil sisters of Kris]
Kim Ah Young [Yura of Girl's Day] as MISHA Apperance and Attitude: Maganda, Makulit, Sweet.
Yoon Bo Ra [Bora of Sistar] as HINA Apperance ad Attitude: Has white complexion, Boyish, Cute, Cold sa iba but Direct to the point magsalita. Matangkad and act like a boss ang peg.
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[Luhan's Lil Sisters]
Bae Sue Ji [Suzy of Miss A] as KYLE MARIE Apperance and Attitude: Magada, Cute, Mabait.
Kim Hyun Ah [Hyuna of 4minute] as ANII FEI Apperance and Attitude: Apperance ni Hyuna. Jolly, Makulit, Maingay.
[Luhan's Bestfriend]
Park Cho Ah [Choa of AoA] as Jung Darkice Katelyn Apperance and Attitude: Matangkad, Maputi as in sobra, mukhang anime, Wise, Magaling magbigay ng advice, cold palagi.
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[Kai's Lil Sisters]
Jo Eunhee [Kai's look-a-like] as KAXANDRA Apperance and Attitude: Maganda, Mataray pero mabait.
Song Quian [Victoria of f(x)] as MELODY Apperance and Attitude: Madaldal, Hyper, Pasaway, Spoiled pagdatig sa kuya niya, Maganda, Mataray sa mga plastik.
[Kai's Bestfriend]
Lee Ye Jin [Ailee] as DENAPHILIA ALION CAMRIE REYES Apperance and Attitude: Matangkad, Kulot ang buhok, Naka-eyeglasses, tamang build ng katawan, Makulit pero maaasahan sa lahat ng bagay, May sense of humor, mayaman, maganda, medyo impatient, Religious so hindi mahilig magmura. Walang bisyo.
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[Chayeol's Siblings]
Son Na Eun [Naeun of A Pink] as YUMI Apperance and Attitide: Chinita Makulet. Older sister ni Chanyeol.
Park Cho Rong [Chorong of A Pink] as KRIZZA MAY Apperance and Attitude: Apperance ni Sulli, attitide ni Sehun.
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[Sehun's Lil Sisters]
Sandara Park [Dara of 2ne1] as ANNIKA Apperance and Attitude: Friendly, Madaldal, Spoiled sa kuya niya, sweet, caring, Music Lover, Sweet Foods' Lover, cute, Apperance of Dara.
Lee Ji Eun [IU uzzlang] as DANICA Apperance and Attitude: Very Sweet, Matampuhin, Snob sa boys kase sabi ng kuya ni NO BOYS muna. Laging pinapatawa ang kuya niya kapag malungkot ito. Love na love niya ang kuya niya. Maliit, magaling kumanta at duwag siya minsan kaya laging nakabantay ang kuya niya. Youngest sa magkakapatid.
[Sehun's bestfriend]
Park Ji Yeon [Jiyeon of T-ara] as Audrey Gisselle Jeon Apperance and Attitude: Boyish, Matangkad, Mahaba Buhok, Chinita, Demure na boyish.
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[Xiumin's Lil Sisters]
Park In Jung [Soyeon of T-ara] as KHRYZLLE RENAE Apperance and Attitude: Maputi, Matangakad, Matampuhin, Sweet, Spoiled, Selosa.
Jeon Bo Ram [Boram of T-ara] as KRISTELLE Apperance and Attitude: Cute, Senstive, Friendly, Kind, Loving, Caring Sweet, Nagiging colde kapag nasasabihan mo ng di niya gusto.
[Xiumin's Bestfriend]
Bang Min Ah [Minah of Girl's Day] as THALIA JANE Apperance and Attitude: Matangkad, Chinita, Boyish, Madaldal, Makulit.
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[Baekhyun's Lil Sister]
Lee Chae Rin [CL of 2ne1] as ANGELIQUE Apperance and Attitude: Mahilig mageyeliner tulad ng kayang kapatid na si Baekhyun. Maganda, Maputi at Matangkad. Mabait, Sweet and supportive.
[Baekhyun's Bestfriend]
Park Sun Young [Luna of f(x)] as CHOI AEGI Apperance and Attitude: Friendly, Talented, Popular.
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[Kyungsoo's Lil Sisters]
Kim Yoo Jung [Yoo Jung] as ICE Apperance and Attitude: Cute and Nerdy, Sweet kapag kaibigan mo a pero halimaw kapag ginising mo between 7-8am. Mayaman, Matalino, Cold minsan.
Kim Yoo Jin [Uee of After School] as CIARA Apperance and Attitude: Maganda, Apperance ni Uee. Maarte at masungit kapag hindi pa kayo close. Cold kapag may problema. Gusto niya si Tao pero little sister lang ang turing ni Tao sakanya. Mabait, Mahilig sa kpop at gwapo. Mahilig sa sweets. Mahilig sa music. Bestfriend ni Tao.
[Kyungsoo's Bestfriend]
Ham Eun Jung [Eunjung of T-ara] as JENICA SUNG Apperance and Attitude: Medyo kinokontra ang lahat ng ginagawa ni DO. Laging nangaasar at boyish pero may sex appeal
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