You are the princess of a large kingdom in the world of magic and have extraordinary magical powers but you are known as the 'princess of 2 personalities'. That's not wrong because since childhood there has been a spirit in your body but its nature is inversely proportional to you.

You always communicate with him and he has lived for a long time but has never made a contract with anyone except you who were still babies.

In the morning you always smile but when night comes, you turn cruel because at night it's not you but bemgyoung, that spirit.

"It's been a long time since i killed anyone."

Showing eyes turn bright yellow indicating killing intent.