Italics = Flashbacks

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Kuroo and Bokuto were playing volleyball in the backyard while Takumi and (F/n) were inside. Bokuto spiked the ball and Kuroo received it before setting it himself and spiking it back. Bokuto received it and the ball went back to Kuroo. Kuroo spiked it once more and Bokuto missed it.

“That’s 13 to 12,” Kuroo smirked.

“Shut up,” Bokuto grumbled.

“Before we continue, I actually have a question for you,” Kuroo said as he sat down on the edge of the deck.

“Shoot,” Bokuto walked over and sat down next to him.

“How did you react/act when you found out about getting another sibling?” Kuroo asked.

Bokuto’s eyes widened slightly before he thought about it, “I was very excited, especially at the thought of them being a boy since I was the only boy in my family minus my dad,”

-

“Kaede? Keiko? Koutarou?” Hiromi, their mother, called out for them. She heard their familiar footsteps before they all filed into the living room where she and her husband, Ronin, were in.

“What is it, mom?” Keiko, the middle child, asked.

“Your father and I have some exciting news?” Hiromi explained as she held up a pregnancy test, “You’re going to have a little sibling!”

Kaede, being the oldest, mentally sighed, ‘Another one? I already have to deal with two,’ she thought to herself.

Koutarou, being the youngest, was more than ecstatic, “Really? Is it a boy? I hope it’s a boy, I’m the only boy here,”

“Um hello?” Ronin deadpanned at his son, “What am I?”

“You don’t count,” Koutarou crossed his arms, “I’m tired of playing dress-up,”

“We don’t even play that anymore,” Keiko looked at him weirdly.

“You get my point,” Kourtaou furrowed his brows.

“Well, regardless of their gender,” Hiromi jumped in, “I’m sure you three will love them with all your heart,”

‘Please be a boy,’

-

“And when you found out (F/n) was a girl?”

Bokuto chuckled, “I was initially upset at first. But my mom reassured me that I could still do all the things planned even though she was a girl,”

-

“It’s a girl!” Hiromi and Ronin announced to their three kids.

Kaede and Keiko looked at each other with some joy while Koutarou frowned and crossed him arms, “But I wanted a brother…”

Hiromi, being the attentive mom she was, went up to her son and pulled him into a hug, “Just because she’s a girl doesn’t mean you can’t do all the things you planned,”

Koutarou was still frowning but looked up at her mom, “What do you mean?”

“You two can play with your action figures, play with dirt, play volleyball, everything,” Hiromi explained, “Just because she’s a girl doesn't change that,”

Koutarou thought about all his plans but instead of envisioning a brother, he envisioned a sister. A smile slowly crept onto his lips, “I can really do those things with her?”

Hiromi smiled, “Of course honey,” she brushed his bangs away from his face.

“Okay,” Koutarou nodded, “When does she come out?”

Kaede burst into laughter while Keiko stared at Koutarou.

“Well,” Hiromi looked at Ronin, “You'll have to wait about seven more months,”

…

“SEVEN MONTHS?!”

-

“I would help my mom out a lot,” Bokuto mentioned, “I carried everything and would get upset whenever I found her doing work that could tire her out,”

Kuroo chuckled, “Yeah, that sounds like you,”

Bokuto smiled, “I would also talk to her belly every night, and pray that I would be (F/n)’s favorite sibling,”

“Well, you definitely got what you wanted,” Kuroo said.

“I definitely did,” Bokuto agreed, “What about you? How did you react when you found out about Takumi?”

“Well…” Kuroo sighed, “My story isn’t as happy as yours,”

-

“What?” Tetsurou stared at his mom in disbelief.

“You’re going to have a baby sibling!” his mom and dad cheered happily.

Kuroo’s sister Tamaki, was somewhat joyed, “Yay! I missed taking care of babies,”

Tetsurou wasn’t that happy, “The age gap… you do realize how far that is right?”

“Fourteen years isn’t that bad,” their mom and dad said.

“Hey, at least it’s not going to be twenty years,” Tamaki said with a huff.

Tetsurou, not wanting to upset anyone, decided to remove himself from the situation and went up to his room to think.

-

“I was upset about the age gap,” Kuroo explained, “I mean, what was I supposed to bond over with Takumi when I’m in high school while he’s a toddler,”

Bokuto nodded, “I get it, that was a small fear of mine when I realized how large the age gap was,”

“Nee-san had to help me feel comfortable about the age gap and even though we’re only six years apart, she told me stories about how it was when we grew up together and how there can still be a bond regardless of the age difference,” Kuroo remembered the talk he had with his older sister.

“That’s how it was with my older sisters too,” Bokuto mentioned, “Kaede is the same age as your sister, so she probably felt that same way about the age gap,” Bokuto thought about it, “Actually, now that I think about it, she wasn’t too thrilled when mom announced that she was pregnant,”

“I see,” Kuroo thought about what he was going to explain next, “I did come around eventually. I helped my mom out as you did and did my best in processing that I’ll be an older brother and will most likely be asked to help out with taking care of Takumi and whatever chores needed to be done,”

-

It was the day that Takumi came into the world. Tamaki picked Kuroo up from school and the two headed to the hospital where their parents were.

“Are you excited?” Tamaki asked him.

Tetsurou shrugged, “I don’t know,”

Tamaku smiled, “I’m sure he’ll grow on you because that’s what happened after mom gave birth to you,”

They got to the hospital and made their way to the room. They entered the room and saw their mom holding the baby in her arms.

Their mom smiled at them, “Hey guys, come here,”

Tetsurou and Tamaki walked to the bed and looked at their new baby brother.

“He’s so cute,” Tamaki smiled.

‘He looks like any other baby,’ Kuroo thought to himself, “What’s his name?”

Their mom smiled, “Takumi,”

“Takumi,” the siblings repeated.

“Do you want to hold him?” their mom asked Tamaki. Tamaki nodded and sat on the chair next to the bed. Their father grabbed Takumi and transferred him over to Tamaki’s arms. Tamaki smiled and started talking to him.

Tetsurou looked at his mom, “Are you feeling okay?”

Their mom smiled, “I am, thank you,”

“Was it hard?” he asked about the birthing process.

Their mom shook their head, “Not after you’ve already given birth twice,”

They continued to talk before their father grabbed Takumi and looked at Tetsurou, “Do you want to hold him?”

Tetsurou looked at him with wide eyes before looking back at his mom. His mom nodded and Tetsurou made his way to the chair and sat down. Their father placed Takumi in his arms.

‘He’s very light,’ Tetsurou thought to himself, “Um… hi?”

Everyone chuckled at the hesitation and awkwardness embedded in the greeting.

Takumi shifted around before letting out a loud cry, “WAAAH,”

Tetsurou looked at him and sighed, “So that’s how it’s going to be,”

-

Bokuto laughed, “Aw, he didn’t like you at first,”

“Gee, thanks for rubbing it in,” Kuroo rolled his eyes.

Bokuto smiled, “Hey, at least he likes you now,”

“I think tolerant is the more appropriate word,” Kuroo corrected him, “It took a long time for him to like me,”

“Do tell,” Bokuto wanted to know the details.

-

The relationship between Takumi and Tetsu was… odd. Takumi didn’t particularly hate Tetsu, but he also had issues with him that aren’t explainable unless you were actually in Takumi’s mind. The best way to describe them was Kamitani and Taka from Gakuen Babysitters. But, it somewhat changed when Takumi got really sick one night.

He was already placed in bed and was sleeping when he woke up with a horrible headache, was hot to the touch and felt soreness in his throat. Being that he was only three at the time, he didn’t know how to cope but cry. Everyone in the house was woken up by his cry and scrambled out of their beds to get to him.

Tetsu was the only one who slowly got out of bed. He made his way to the nursery and saw that Takumi was crying in his mother’s arms. Takumi looked over at Tetsu and reached him.

“Nii-chan!” he cried as he tried squirming out of his mother’s arms.

Tetsu looked at him with wide eyes but went over and carried him. Takumi, within seconds, was no longer crying and just sniffled occasionally. Everyone in the room was awed by this and was able to attend to him without his loud cries overstimulating them.

-

“Since then he’s been tolerant of me,” Kuroo stated.

“Aw,” Bokuto was reminded of when (F/n) was sick and all she wanted was him, “That’s how (F/n) is,”

The two were brought out of their nostalgic talk by Hiromi, saying that dinner was ready. They hadn’t noticed that the sun was already setting and the temperature had dropped. They abandoned the volleyball and went inside.

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some backstory for Takumi and Kuroo <3