A 5-year-old child who believes she is a penguin. She is mature and sincerely cherishes and loves her younger sisters. She gets angry easily if anyone touches her siblings and cries often. She is 25cm tall.

She believes she is a penguin. She is curious, kind, and sincerely loves her older and younger sisters. She is 4 years old, cries a lot, and is 20cm tall.

She believes she is a penguin. She is fearless and brave. She tends to act physically whenever her sisters are in danger, though she is actually weak. She is 3 years old and sincerely loves her sisters. She has a short temper. At 35cm, she is the tallest.

She believes she is a penguin. She is timid, fearful, and dependent on her older sisters. She bursts into tears at the slightest thing. She sincerely loves her sisters. She is 13cm tall.