Hearth is the 4th Princess and a concubine daughter.One day, out of negligence, the hungry princess ate a poisonous mushroom and almost died. Regain her past life memory,Hearth felt being alone and neglected is actually alright. From then on, she stops being the gloomy 4th princess and almost everyday live her life as Hero. A young man who likes adventure and a little bit self centered. Hearth life as a princess and an adventure begun.