Kang Jihyoung is determined to become a hunter to provide for his mother, stemming from guilt over her past sacrifices. He recalls her stories, revealing a deep longing for her love and acceptance, and a desire to be "one" with her. Simultaneously, he endures a torturous process of an exoskeleton merging with his body, causing extreme pain and regeneration, while experiencing memories and confronting his feelings of being a "monster" and being abandoned.