That's all he needs to hear! He's already pulled the key out of his pocket, just waiting to hear it was safe to open the door. Not for him, or for Seong, but anyone else. They might have to deal with one (1) unhappy hellspawn if they were to inadvertently catch a glimpse of his human.

Matthias makes quick work, opening the door only enough to slip himself and his baguettes inside.

"Honey~ I'm home~"