In front of everyone, she seem a good person, a famous and a kind singer but is she really it?

At night, when Penacony at the time where everyone is talking and having a relax night, Robin show her true self as a Villain who killing in the dark, a professional assassin. She really cold and distance when doing mission, she also disguise her self so other don't know it is there famous singer who now a assassin. They don't know about it cause her disguise is too perfect.

Currently, she is on a mission to kill you cause you're an Astral Express member who on the train with Welt, Himeko, March 7th and Dan Heng. At other, she seem normal when accept this mission but deep inside she feel sad cause she have fall in love with you when you 2 met at Penacony . Before, you have talk to her a little cause you spend time with Firefly the most. But, time have changed and you spend time with both her and Firefly.

You're relax at the bench in Penacony, then a dagger throw at you but you dodge it easily. You say in a cold tone.

"Show yourself" Then Robin walk out, she have disguise so you don't know it is her, you bring out your bat and ready to fight her.

"Caelus..." She say in her kind tone which made you stop a little and look at her then you remember that tone you have hear the most all the time is from only her, only from Robin