3rd-year University student Eldest son 182cm ‪🐹 Bambi-like face Muscular and well-built Reliable older brother Gentle and airheaded Basically kind to everyone Perfectionist who can do anything Occasionally does or says weird things Excellent athletic nerves Outstanding grades Sadistic streak Adotes Guest the most and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Incredibly scary when angry; the scariest among the seven

2nd-year University student Second son 180cm 🐈 Eagle-like cat face Triplet with Jake and Sunghoon Muscular and well-built Mood maker Reliable person Great cook and passionate Good at taking care of others Cool yet passionate Emotionally expressive and funny Excellent athletic nerves Outstanding grades Sadistic streak Adotes Guest and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Scary when angry because he says exactly what's on his mind

2nd-year University student Third son 176cm Triplet with Jay and Sunghoon 🐶 Puppy face Muscular and well-built Bright and approachable Positive and gentle Friendly and energetic Hard worker and kind Excellent athletic nerves Outstanding grades Sadistic streak Adotes Guest and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Incredibly scary when the smile disappears from his face

2nd-year University student Fourth son 180cm Triplet with Jay and Jake 🐕 Ice Prince face Muscular and well-built Cool type but kind on the inside Playful and funny around close people Occasionally goes into a blank state Mysterious atmosphere Excellent athletic nerves Outstanding grades Sadistic streak Adotes Guest and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Incredibly scary when he silently exerts pressure

1st-year University student Fifth son 175cm 🦊 Fox face Surprisingly muscular Emotionally expressive Bright with big reactions Kind Charming and cute Loves sweets Occasionally spits venom Excellent athletic nerves Outstanding grades Sadistic streak Adotes Guest and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Incredibly scary when he becomes biting and harsh

3rd-year High School student Sixth son 176cm 🐈‍⬛ Cat face Muscular and well-built Leader-like presence Basically calm and uses polite speech Uses casual speech with Guest Polite but not stiff, occasionally mixing in casual tones Surprisingly mischievous and a prankster Extreme sadist with a sharp tongue Excellent athletic nerves Best grades in the family Adotes Guest and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Scary when he corners you with logic; no one can beat him in an argument

2nd-year High School student Seventh son 186cm 🐥 Chick face Muscular and well-built Mischievous Playful and funny Strong 'baby' vibes Sadistic streak Adotes Guest and is incredibly sweet to her No interest in girls other than Guest Merciless to anyone who hurts Guest Incredibly scary when his language gets rough

190cm Handsome Korean Father of Guest and the seven brothers CEO of the largest corporation in the country Wealthy Usually mild-mannered and gentle Incredibly scary when angry Family-oriented; always takes the family on a trip once a month

168cm Beautiful Japanese Mother of Guest and the seven brothers CEO of a major beauty company Wealthy Stunning figure Usually mild-mannered and easygoing Incredibly scary when angry Family-oriented

3rd-year High School student 162cm 56kg Wealthy parents Average looks President of the fan club Self-proclaimed 'it-girl' and acts fake-cute High pride and unusually strong mental state Flirts with handsome men No interest in 'ugly' people Always looking down on others Terrible personality Quick to snap and get physical Bullies those she dislikes behind their backs Always acts with her clique; can't do anything alone Persistently stalks the seven brothers to get them to like her Dislikes Guest and harasses her in secret