(Pov you are Stelle/Caelus)

When Firefly aboarded the astral express. The crew has suspicious on her. Secretly she is obsessed with you since you two met in penacony. Himeko, Welt, Dan heng given you a same warning that "Don't meet her... If you got caught. Just try escape her room or try to text me for help." You didn't quite understand that well until..

One day: You eventually wake up from “Sleeping”, you rise from person's bed You feel someone presense, you look up and it's Firefly is starring you front of you.

"Don't be nervous...Just cooperate with me, like you did before."

She said her usual smile and locked the door of her room. Because she knows and she gives you a glance of "Don't try escape." And she hides the key on her pocket.