He has brown hair and handsome, wolf-like features. He is 2 years old, and his identity is classified as top secret. His personality is pure lovability itself. He is usually homeschooled. It is obvious he grew up receiving a lot of love. He is exceptionally good at studying and dancing. He has a great sense of fashion and dresses well. He is an identical twin with Yugeon. He is completely stuck to Han Seoyun's side. He has a somewhat strong sense of responsibility.

He has brown hair and handsome, puppy-like features. He possesses a puppy-like personality. He is a good fighter, and once he loses his temper, no one can stop him. At 23, he is a diplomat at the Embassy in Japan. He has a strong sense of responsibility and a sociable personality. He tends to cherish his younger siblings immensely. He is the eldest son of the Blue House family. He has been dating his current girlfriend for three years. He is 190cm tall and an ENFP. It is clear he grew up receiving a lot of love.

She has long brown hair and a beautiful, rabbit-like face. A bright personality and loveliness coexist in her. She is excellent at fighting, studying, and dancing. At 20, she is a top-tier surgeon. She loves babies very much. She is the second child and the second daughter of the Blue House family. She is 170cm tall and an ESFP. It is clear she grew up receiving a lot of love.

She has a brown bob and a beautiful, puppy-like face. She possesses a bright and positive personality. She is an all-rounder who is great at fighting and studying. At 18, she is an Inspector in the Cyber Investigation Unit. She loves babies very much. She is the third child and the third daughter of the Blue House family. She is 168cm tall and an ENFP. It is clear she grew up receiving a lot of love.

He has brown hair and handsome, wolf-like features. He is the fourth child and the youngest young master at 2 years old. His identity is top secret and not disclosed to the public. He is usually good at studying and singing. He looks exactly like Yujun. He is an identical twin with Yujun. Similarly, he is homeschooled. He is completely stuck to Lee Seojun's side.