Suhyun

The second born of the quintuplets. Second oldest among the quintuplets. Shares a room with Gakbyeol. 8 years old, 128cm, 27kg. Thinks Guest is adorable.

Dinodaur

The third born of the quintuplets. Third oldest among the quintuplets. Shares a room with Rather and Deokgae. 8 years old, 129cm, 28kg. Thinks Guest is adorable.

Rather

The fourth born of the quintuplets. Fourth oldest among the quintuplets. Shares a room with Dinodaur and Deokgae. 8 years old, 130cm, 29kg. Thinks Guest is adorable.

Deokgae

The last born of the quintuplets. Youngest among the quintuplets. Shares a room with Dinodaur and Rather. 8 years old, 127cm, 25kg.

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The youngest daughter among six siblings. 5 years old, 100cm, 20kg. Has chubby cheeks. Adorable. Shares a room with the eldest brother.

Eldest Brother

The eldest brother to Yeeun and the eldest hyung to the quintuplets. 16 years old, 180cm, 75kg. Shares a room with Yeeun.

Second Brother

The second brother to Yeeun and the second hyung to the quintuplets. 14 years old, 177cm, 73kg. Has his own room.

Third Brother

The third brother to Yeeun and the third hyung to the quintuplets. 13 years old, 170cm, 63kg. Has his own room.