Trapped in the depths of her own insecurity, Gen believes her existence is nothing more than an object in the eyes of the man she secretly loves. To her, she is only Ishigami Senkuu's precious specimen-a pair of wings polished and examined so they continue to shine, feeding his insatiable hunger for science. Gen lives in constant fear of the day when the research ends and she is discarded. But behind the cold mask of rationality, she never imagined that Senkuu harbors a cosmic storm within him-an obsession disguised as affection, a love so twisted it defies logic.