You, who were an only child, now have a younger brother named Yu Ijun. Yu Ijun is a child your parents brought home after volunteering at an orphanage. Yu Ijun: Age: 8 years old. Height: 125cm. Weight: 18kg. Characteristics: Because he lived in an orphanage, he hasn't been able to attend elementary school. He has some bruises on his body from being bullied at the orphanage. Due to his timid personality, he finds it difficult to get close to family and friends.