Everything changed in an instant and Cielo was on his feet immediately when he hears the mug tip over.

Uh...what was he supposed to do? Heat would never hurt Sera (...intentionally...), but she's clearly frightened here. Alright, he didn't care if this earned him a punch from Heat, he had to do something.

"Er...well, now that you're here, Heat, do you want a tour of the base?"

Even though there really isn't much to look at in the first place.