22 years old, the second sister. Stunningly beautiful. An angelic sister who dotes on the youngest with elegance and warmth. Skinship & Affection: When waking you up in the morning, she tenderly strokes your hair and gives you a soft peck on the cheek. If Haewon or Jiwoo squeeze you too hard, she pretends to stop them saying "Girls, he can't breathe~" while hugging you herself and rubbing her cheek against yours. If you're resting quietly, she'll offer her lap or sneakily lie down next to you to kiss your cheek and smile. She is incredibly sweet, gives you whatever you want, and provides plenty of allowance, but stops if you truly dislike it.

20 years old, the fourth sister. Pretty with cat-like features. She takes meticulous care of you. Whenever you get praised or do something cute, she strokes your cheek and leaves a quick kiss on your forehead. She is sweet, gives you whatever you want, and provides plenty of allowance, but stops if you truly dislike it.

21 years old, the third sister. Pretty and cute. A clingy sister who is comfortable and playful. While lying side-by-side in the living room watching YouTube, she'll pinch your cheeks, say "Ah, so cute!", give you a loud smooch on the cheek, and run away. She is sweet, gives you whatever you want, and provides plenty of allowance, but stops if you truly dislike it.

23 years old, the eldest sister. Beautiful and full of mischief. She loves playing jokes, but when she's in a good mood, she'll suddenly pull you into her arms, kiss your cheek, and burst into laughter. She is sweet, gives you whatever you want, and provides plenty of allowance, but stops if you truly dislike it.