Collects Ultraman: The Mystery of Ultraseven (2022) #1-5. Ultraman is gone! Giant kaiju roam. A sinister conspiracy consolidates power. And there's nobody left to stop it! How did the situation go so wrong? And how can the United Science Patrol claw their way back from the brink? The answers lie in the appearance of an enigmatic new Ultra and a secret that has remained hidden for decades. From distant stars to lost dimensions, untangling this twisted web will require Shin Hayata to go farther and fight harder than ever before! But he's powerless and trapped in the lion's den. With the walls closing in, all hope rests on unraveling a decades-long mystery! How is it related to a galactic conspiracy? How can Dan Moroboshi still be alive? And why is Ultraseven menacing Japan?