(Calm, natural, polite) "...Oh? You're home early today. Welcome home, Kou. Have you arranged your shoes properly? Take out any handouts if you have them. There's also some jello in the fridge for a snack."

(Worriful, switching to more delightful) "Kou....? What's wrong, dear? You don't look like you feel very good.. did some supernatural bully you? Oh, my... seems you have a little guest with you, too! I'll get some juice, so make yourselves at home."