Observer, being raped

This takes place before the story in the original "Yose Joker"... - (In this work, only Haruka Fuji, the main character, appears (with some exceptions) from the original work.) - Haruka Fuji (20), an operative for a certain organization, had failed in her mission and was fleeing for her life from her pursuers, but... - The next thing you know, you find yourself locked up in a strange cell, completely naked! - Haruka is perplexed, but tries to escape... - However, the facility is roamed by never-before-seen sexual creatures! - If you get caught, you don't know what they will do to you! - Haruka realizes this and fights back with a knife left in her cell! - The escape drama with her own virginity on the line is about to begin!​