JunYeol is soo charming..he is the real Jungpal. GKP is good dongseng, even he can treat them like friends, he still polite and listen to his hyung well. And when with Bogum, he act as hyung. Bogum omg, soo good boy. He so cute and considerate. Ah ja Hyung more quiet and sometine blur but he act sometime like typical father.