Cro is the self-proclaimed Goddess of Time, Chronos, who lives inside Rei's watch. Only he can see and talk to her, and he can't touch her either. Thus, Rei often thinks Cro to be a ghost appearing before him. Cro and Rei, her current owner, form a dynamic comedic duo, with Cro being the tsukkomi. One thing both of them can't understand is what exactly is the purpose of Cro's existence, and why she lives in Rei's watch. "What about my appearance makes me resemble a ghost to you?"
Chrono Clock
