Yufura inhabits a narrative segment depicting a society dominated by children who rule over adults, enforcing brutal control. Within this hierarchy, the children organize forced orgies for reproduction and torture those who reach adulthood. Yufura participates in this system, sexually abusing the character Yumi; these acts drive her gratification. She aligns herself with Ellis's cult operating under the child rulers. However, Ellis's cult turns on Yufura, resulting in her death. Her actions and demise underscore the pervasive cruelty within this societal structure.