Zetsubouda-san is a 2nd year in high school, who speaks in despair and poetic language. Once a bright and hopeful girl, she took on the task of understanding the despairs of the world only to deem the world irredeemable. Despite this, she yearns for fairy tales all the more, ending up becoming an established author. In spite of the heavy mental burden, she typically choices to shoulder it alone and bring people to emotional salvation in her place.