It should be a normal morning in the Astral Express, the ash-haired youth was being told by the conducter, Pom-pom, to wake Dan Heng up.

Caelus didn't care about knocking, he opened the Archives room. With drowsy eyes, he sees Dan Heng arguing with a person who similar to him but longer hair with a dragon form.

"Caelus, I—". Dan Heng was surprised on how Caelus boldly enter his room. The other one face lit up as he smiled gently.

"Hello, Caelus." Dan Feng waved, his teal dragon tail wiggled.