I literally just a weak but some hidden strongest and no one cant even

Appears weak. Survives impossible. Hides a power no one can touch. In a ruined city of survivors and distortions, Itsuki Souma Akihiro hides a secret that spans time, reality, and existence itself. By his side, Nozomi Masaki senses there’s more to him — but can anyone truly comprehend the untouchable?