You might not like the development but this is how the storyline is intended to go...

A few months later

Everything was the same except Nobita of course. He had drastically changed or more like his progress. He could match Dekisuki in the studies now with only little gaps. If there was something missing then they both would work on it. Other than that, his exercise pattern had also changed. He could easily do the push-ups thirty to thirty-five in a single time. The same number of chin ups and the same number of sit-ups. He still used the hill and now could easily run up to two kilometers without losing the stamina.

Along the training, he had changed his routine of eating snacks and it had shown the effects. Relying on the healthy diet, he was taller by three inches now and his body had filled out. Before he was skinny but now his shoulders were getting broad slowly. Lean muscles had grown on his body and he even had four abs now. His progress was immensely surprising Doraemon but he was also getting scared a lot. Nobita rested no doubt but he didn't waste his time anymore. He often used the time stopping watch to exercise and train in different sports more. Usually, he didn't have much time so he just used it.

In baseball, he was easily able to hold the bat and swing it. He knew that he lacked the strength to actually swing the bat strongly. First of all, he straightened the posture and he was surprised when he found out that he could do much better left-handedly. So, he trained in that style until he got the hang of it. Every single day, he increased the strength of swinging and hitting the ball. Using another gadget he trained in hitting the balls. Now he could keep his eyes on the ball no matter how fast it was. But he still lacked the strength so he had asked Doraemon to find him a gadget that could increase the gravity on his while he did the push-ups.

In football, the flaws were almost the same. Before he didn't have the stamina to run at all. But now he could easily keep up with the pace and not be tired. For the strength in legs, he did squats daily. There were some different games like the Shogi that his Dad had recommended him. He played it every now and then with Doraemon. And he had to say that it helped him very well with the strategies and making the head clear and focus entirely on the task at hand.

There were some problems that he was facing as well. The biggest of them was that his sight was decreasing day by day. One time, he had even fallen down the stairs because he could not see. His connection with his friends was very weak to say at least. That was probably due to the lack of their meetings. They always asked him to play with them but he was busy all the time so he had to reject them. His relationship with Shizuka was neutral. He smiled and chatted with her in the same way but he didn't feel anything for her now. All the sparks and lights had disappeared and this concerned Doaremon quite a lot.

Present

Nobita was in school and the bell had just rung. He was packing the bag while the teacher was taking his books. " Hey Nobita, want to go to the library as usual?" Dekisuki asked with a smile causing Nobita to nod with a smile of his own. " Yeah but this time I am going to take that astrological book," Nobita said and jabbed a thumb towards himself making Dekisuki chuckle. Soon Shizuka joined them as well and they departed to the library. On the way, Shizuka noticed Nobita constantly rubbing his eyes and wincing in pain.

She was instantly worried about him. " Nobita are you okay? Are your eyes aching?" She asked gently erupting a strained smile from Nobita which Dekisuki noticed. He nodded " I am good. My eyes have been slightly aching for a while now." He said and rubbed them again. Dekisuki looked with concern at his first best friend. " Have you gone to the doctor?" He asked and Nobita winced again. " Yeah, but he said that nothing was wrong. I don't know but my sight has been getting bad lately." Nobita told them and they looked at each other in worry.

He looked at the expression of his friends and a smile erupted from him on their concern. He was happy that his friends were worried about him. He waved his hand. " You guys are only worrying. It is nothing I am sure and i…." Nobita started but another wave of pain hit his head and his eyes. He staggered to his right and his foot slipped from the stair.

Dekisuki and Shizuka both had wide eyes. " Nobita!" Dekisuki yelled and dived to catch his friend but everything was happening too quickly for him to even comprehend anything. He felt his hand not catch a solid hand but only air. He had wide eyes and Shizuka had frozen up hearing the loud noise of collision. Dekisuki felt a shake in his hands as he stared from over the stairs to the ground. Nobita was laying there with a pool of blood under his head and the pieces of glass scattered here and there. " Nobita! " This time it was Shizuka and her shriek had alerted the whole school. Dekisuki could only watch as adults gathered around the prone form of his best friend until the teacher came and yelled for someone to call the ambulance.

…

After the call, everything had been haywire for not only Nobita's friends but also the professor. He had called his mom and he was guilty of hearing the bang from the other side of the phone. His clothes had been dyed in the red of his own student and he needed some time to cool down so he was sitting here in the ground sipping some juice.

…..

The Nobi household was sitting in the hospital. A solemn silence was following them and no one had spoken for a while now. The only sound was the slight sniffling of Miss Nobi. Her eyes were bloodshot from all the crying. Even Mr. Nobi had come when he heard that Nobita was admitted in the ICU. Doraemon was still in shock and he was really saddened. He was rubbing his round hands, again and again, hoping for the best. After a short while, the head doctor strode out of the operation theatre in his green robes and all.

Mr. and Mrs. Nobi both had wide eyes as the approached the doctor. Before they could say anything, the doctor smiled at them. " Don't worry, your son is in a stable condition. It was, after all, only a fall and fortunately, not much blood was lost." He said causing both of the parents to sight and pray happily. " However" The doctor continued and even Doraemon was confused now.

" Is something the matter Sir doctor?" Mr. Nobi asked worriedly. The doctor sighed and begun his tale. " After hearing your story concerning his descent, we thought what might have happened and tested to assure and remove the suspicions. While testing, we came on a very peculiar thing." He said causing the trio to worry again. He rubbed his temple and continued. " We discovered that you son Nobita has a very acute chronic disease." He said and dropped the bomb on the family. Mrs. Nobi gasped and tears again came in her eyes. Mr. Nobi rubbed her back and frowned at the doctor. " Is it severe?" he asked causing the senior doctor to sigh again.

" Look, you have to be patient with me. This disease is making your son blind." He said and everything was a buzz for the family from that moment onwards. " Is…is there a way?" Mr. Nobi asked with a gulp and goosebumps on his skin. The doctor nodded with a small smile. " You may have noticed the sight of your son getting weak day by day, it is only due to this disease. It is very rare and only emerges among the individuals that are quite weak." He said both relieving and scaring the family. Doraemon looked at the ground in thought. So that is why Nobita was complaining about his sight.

" The best possible way is the surgery concerning the transplant." He said and again making them gasp with wide eyes. Mrs. Nobi looked at her husband and he was worried. The senior doctor seeing the worry and sensing the hesitancy shook his head. " You don't have to worry about the fee actually. We have a policy that if we have a donor, we don't take fees and teat for free." He said causing them to have wide yes in hope. " Luckily for you, just a few days ago, someone donated the eyes for free." He said and everyone sighed. " With just a little paperwork, we will be able to operate." The doctor said and Mr. Nobi immediately nodded and followed after the senior.