Luna always stresses herself out about everything she loves because she's always been made fun of what she likes. BASICALLY YO PORQUE NO PUEDO ESTAR SIN SUFRIR. CONVIERTO MI PASIÓN EN BURDEN

Cassiopeia is the reason behind the name Ghost Girl Phantasma. Meant to be a ghost, her entire narrative switched.

In the current version her nature is vague, open for interpretation and supporting both theories.

 

This drawing represents one of the concepts behind her death, missing an arm. The idea of her dying from a stray bullet meant to hit her lover was considered before scrapping everything.