A/n: I hope you like this new fanfiction of mine and yes, there will be a lot of OCs. I hope you like it! Most OCs are employees of the hospital.

Tsubaki X Kousei.

Three years later after Kaori passed away...

"Do you really have to go, Kousei?" cried Tsubaki Sawabe inside the airport. "Can't you stay here in Japan?"

Kousei smiled at her. "I will return and visit you. I'm invited to study in the United States in one of their prestigious schools. My dad and Seto Hiroko pushed me to go. Don't worry. I won't look at other girls."

...

In his first days in the US and in Juilliard, his teachers already knew that the young prodigy from Japan will shake the whole world.

At a very young age, he showed a talent that was very rare to be seen. He had a lot of fans and friends, too in the school where he studied in Japan. In just a few months, the eyes and ears of the American Society became fond of him. He became a rising star at a very young age after just months in Juilliard School of Music, Major in Piano, Kousei's chosen college degree.

At the age of seventeen years old, he played his piano with famous American Conductors and Orchestra. He was once bullied being an Asian but he didn't mind them, instead, he decided to grow more. Step by step, little by little, he is becoming the boy his mother would want him to be. He is going to become a professional pianist. Seto Hiroko and Takahiko were happy for his success. At the same time, she brought her family in the US and made her own tutorial school three months later and also, she became a professor in Juilliard. Most of all, her daughter, Seto Koharu is slowly looking like her. She does have beautiful, brown eyes. Most of all, since she lived more in the US than in Japan, she knew more English language than Japanese. She's also becoming very much accustomed to playing the piano whenever Kousei visits her and plays his piano in their home.

He grew mature and happy. His eyes were still full of color despite the times when he remembers Kaori and dreams about her. Whenever he remembers Kaori, he opens up his laptop and calls Tsubaki through Skype. Tsubaki also had a huge change over the years after Kaori's death. She had become more feminine and sophisticated. She had long brown hair, too. She still plays baseball, though.

Two years later after Kousei left Japan, their relationship became tougher and tighter than ever even if they don't see each other often since both of them were busy with their college lives. If Kousei had a scholarship in Juilliard, Tsubaki had a scholarship in one of the Sports Colleges in Japan. Most of all, Tsubaki became one of the youngest members of the Japanese team. She also became a successful athlete in her own right. Watari was with her at that time and they seemed to be celebrating someone's birthday. Kousei smiled weakly in front of the computer.

His eyes were a bit puffy and stressed out. "How are you?"

"You look tired, Kousei," Watari spoke up. "Are you alright?"

"I'm fine. I had weird headaches these past few days while practicing piano with the Orchestra," Kousei told them. "I also fear that my PTSD is coming back... though... I know it isn't since I can still hear my piano."

"Why don't you go to a doctor, Kousei? It might turn serious if you don't go," Watari spoke up to him.

Kousei just chuckled. "I have a lot of appointments that I don't have time to go."

Tsubaki looked at him straight at the computer. In Japan, it's morning while in the US, the stars are out. "What time is it there?"

"Nine o'clock in the evening," he replied.

"Go to sleep. I know you're living a luxurious life now in the US and sleeps in a gorgeous bed. Your eyes are obviously saying you want to sleep. Happy Birthday, Kousei!" she told him.

Kousei nodded and smiled after her girlfriend greeted him, "Alright. Good night from here."

Both of them soon closed the video chat. He turned off his computer and stood up from the chair where he is when in his surprise, he felt too dizzy and he had another round of painful headaches. His father saw him walking unsteadily to go to his bed and so, he helped him lay down his bed. He took off Kousei's glasses and shoes. He turned on the lamps, covered him with his blankets and turned off the lights.

"You shouldn't stress yourself that much. You may be very successful now but you shouldn't push yourself too much," Takahiko told his son.

Kousei opened his eyes and asked his father, "What do you think mom would say if she's still with us, dad?"

"She'll say the same thing. She's stricter than me, though," he told him. "I'm sure she'll make you stop and rest if you're like this."

He closed his eyes and rested after he drank pain relievers.

....

The next day, he woke up feeling nauseous and he kept on vomiting. He does have a serious headache that shocked his own father. After he vomited, his father cleaned him up and helped him change his clothes. "I'll be canceling all your appointments today. What you need to do today is to go to the doctor."

Kousei struggled to walk out of their condominium and said to his father, "They're all too important, dad! I can't just cancel all of them!"

"Do you think you can perform in that condition?" his father asked him.

Kousei took his glasses on him when he noticed that he's having trouble seeing but it didn't help at all. More so, it made him feel more horrible that after a few minutes, he fainted on their carpet and began having seizures which worried his father so much. He had some serious wounds on his face after he broke his glasses while he's having seizures.

Takahiko quickly called 911. "I need a doctor right now! My son's having serious seizures right now!"

...

The rescue team came around five minutes after the seizures stopped.

Kousei began breathing heavily. He held on his father's shirt tightly and opened his eyes after he felt that there were other people taking him on the stretcher. He was given a breathing mask and an IV fluid quickly. He is given first aids, too. His father joined them as they bring Kousei inside the ambulance. It only took an hour for them to get him to the nearest hospital. He's still asleep when his doctors came around to check him up.

"We'll be running some checkups after he wakes up," Doctor Nicole informed them. "You know how to speak in English, right?"

Doctor Nicole is a beautiful woman with white-blonde hair. She has striking blue eyes, too.

"Yes," Takahiko replied. "We're Japanese but we can talk in English."

"Is this his first time you saw him have seizures, sir?" Doctor Nicole told him.

"Yes, this is my first time to see him having seizures," he answered her with a strained and worried tone.

"Where is he studying?" she asked him.

"Juilliard School," he answered her back.

She wrote it all up. "He's a musician, then?"

"Yes. My son is a pianist," he replied to her.

"I'll return back with a team of doctors and we'll make sure that he is diagnosed right," she told him. "Thank you for your cooperation."

He went back to his sleeping son and held his son's left hand. He's wishing that his son isn't that too sick and he's just too tired.

A/n: Vote and Comment, okay? Thank you!!!