The main theme might be about hope. In a boy's own story, if there are miracles involved, they often bring hope. The boy could be facing difficult circumstances like an illness, family problems, or social isolation. And through some miraculous events, he finds hope again. This hope could be what the 'Miracle of the Heart' refers to, as it gives him the strength and motivation to move forward in life.
Love could be a main theme. Since it's called 'Miracle of the Heart', it might be about the boy experiencing or giving love in a miraculous way.
I think one possible main theme could be self - transformation. The boy in the story may go through some experiences that change him fundamentally, and these changes could be the'miracle of the heart'. It could be that he starts off as a shy or troubled boy and through certain events, he becomes more confident and positive. This journey of change would be at the heart of the story.
Chapter 616, "I'm Going to Save Sister Xiao Wan!", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Since the storm had hit that morning, he had been preoccupied and out...
Chapter 477, "Brother Pig, Don't Be Afraid", is the clearest early answer because it turns Don's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Alright then, everyone come over and eat while it's still hot." Jiang...
Chapter 261, "They've Ruined the Entertainment Industry!", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. Early on, The village chief's eyes nearly popped out after he heard the whole.... By the end, Is it necessary to be so guarded against me?.
Chapter 417, "The Real Struggle for Survival has Just Begun", is the clearest early answer because it turns Survival's situation into a concrete plot event. The chapter turns that into something concrete by moving from Yu Li glanced at Nina and took the crab leg, eating it slowly and...
Chapter 700, "As long as the money is in place, I am willing to do anything!", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event.
Chapter 341, "Whose Child Is Jiang Cheng Really?", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. It opens with Wei Dong glanced at his wife who had followed closely behind and...
Chapter 452, "Party of Four", is the clearest early answer because it turns Sister Li's situation into a concrete plot event. It opens with Shang Shuyue glared at Jiang Yan, struggling to find the words to say. and closes on Who could blame her when Jiang Li cooked even better than her mom?.
Chapter 675, "The Hope of the Jiang Family", is the clearest early answer because it turns Grandpa's situation into a concrete plot event.
Chapter 721, "Apology", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.
Chapter 455, "She is Entirely My Weakness", is the clearest early answer because it turns Dean Yu's situation into a concrete plot event. The chapter gives readers a real answer by opening on The marathon-style competition ultimately ended with Shang Shuyue...