When Earth faces a sudden alien invasion, the Special Counter-Aliens Task Force, led by an enigmatic director alongside the strict Shiro and laid-back Arikawa, stands as humanity's last line of defense. A twist of fate occurs when Arikawa discovers a mysterious youth, Kakashi, lying on a solitary hill. Unveiling unimaginable powers within Kakashi, previously unseen against the alien threat, sparks a glimmer of hope. However, burdened by amnesia and lacking control over his abilities, Kakashi relies on Arikawa, Shiro, and his shattered cellphone for guidance. Amidst a whirlwind of doubts and emotions, Kakashi questions his purpose. Will he find the strength to conquer his inner turmoil and become the savior Earth needs?