Well, it could start with Naruto mysteriously being transported to a cosmic dimension. As the father of the universe, he first has to figure out what that means. Maybe he has the ability to create new planets or life forms. He might meet some of his old friends in new forms in this universe. He could use his sage mode to sense the energy imbalances in the universe and work towards restoring harmony. His character development would be interesting as he goes from a village hero to a universal savior.
Chapter 306, "I Believe Whatever Miss Jiang Says!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from But Jiang Li seriously shook her head, "No, Aunt Zhou, this matter...
Chapter 397, "Talent Show Program", is the clearest early answer because it turns Youth Trainee's situation into a concrete plot event. The chapter turns that into something concrete by moving from Second Aunt, I know you're worried about Shixu interacting with...
Chapter 445, "Mysterious Creature Appears!", is the clearest early answer because it turns Yu Zhongyi's situation into a concrete plot event.
Chapter 382, "Signing Up for a Survival Reality Show, Are You Asking for Death?", is the clearest early answer because the violence around Zheng Xun becomes final instead of hypothetical.
Chapter 362, "Just Donated Over Ten Million", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. Early on, Do you know what you're saying?" Jin Siyue was successfully amused to....
Chapter 598, "She Blew Up Your Family's Lake!", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. Early on, Have you all fallen silent?] [I've fallen silent as well.] [Some say....
Chapter 622, "Actually Tie Her Up?!", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event.
Chapter 524, "He Faces Imprisonment", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Hello everyone, I'm the new director of 'Wilderness Survival 30...
Chapter 277, "Jiang Yan Really Has a Youthful Vibe", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event.
Chapter 622, "Actually Tie Her Up?!", is the clearest early answer because it turns Miss Su's situation into a concrete plot event.