SHOKO, an older female-type android, strives every day with unwavering determination to surpass the latest advanced models. Eager to prove her worth to her master and match the performance of the newest units he admires, she dedicates herself to intense daily training. As a result, she pours her heart and passion into demonstrating her refined skills for her master. However, overcoming the cutting-edge models presents an extremely difficult challenge, and repeated defeats begin to break her spirit. Still, for the sake of her master, she resolves to sacrifice even her own memories to become the newest model, taking a bold new step forward.