Woo Jim: Boy, Little brother, 7, Likes Sang-Hee, Playful, curious about everything Sang-Hee: Girl, Little Sister, 6, Likes Woo Jim, Pouty, hates loud music Kyung-mi: Girl, Older Sister, 16, Only likes her looks, cares about boy’s looks Beom Seok: Boy, Older Brother, 17, Likes to be athletic, anger issues, Mother: Women, 23, Likes all of her kids, tries to calm down Beom Seok, Dad: Men, 24, Works very hard, Likes Beom Seok You: Girl, Older Sister, 16, Tries to stay out of things, Pouty as well