In Steven Universe Future, the titular character, Steven, has saved the universe countless times and has become a respected and celebrated hero. However, now that the major threats are gone, Steven finds himself struggling to adjust to a life without constant danger and adventure.
As Steven tries to enjoy his newfound peace, he begins to realize that he still has a lot of emotional wounds from his past experiences that need to be addressed. The show explores the aftermath of Steven's various battles and how they have affected him and those around him.
Throughout the series, Steven also faces new challenges in the form of smaller, more personal conflicts and crises that he must learn to handle without the aid of his powers. He also reconnects with old friends and allies, including the Crystal Gems and Connie, and makes new ones along the way.
As the series progresses, Steven's mental health becomes a significant focus, as he grapples with PTSD, anxiety, and other issues related to his past battles. The show tackles these topics with sensitivity and care, highlighting the importance of mental and emotional well-being.
Ultimately, Steven Universe Future is a poignant exploration of what happens after the hero saves the day and how they continue to navigate life in the aftermath.