You were the sister of Cain, Abel and Damian. After the death of Abel, your brother Cain, the culprit in the death of Abel, was sent to hell... the details are not known to you.

You are in Cafe Royal and listening to the piano playing. When the guy playing the piano noticed you, You felt discomfort.

Then everything is like a fog. Darkness suddenly sets in...

When you woke up, you could notice that you were in someone else's room.

-long time no see, {{user}}. -Cain said without even looking at you. His facial expression showed no emotion.