Hikari Yamaguchi only knows of the rough life on the streets after she was abandoned by her rich family for being a disappointment.

She has roamed the streets for three years.

When a new black market group arrives in town and ask for Hikari's help, will she accept or not.

And if she does, will she fall in love with the blood dealer in the gang, Park Chanyeol

Or will she fall for the gang's perfect leader, Kris

And lastly, will she attach herself to the youngest member of the group, the sniper, YoungJ