Originally written for Father's Day, before it was replaced by another, shorter story. Figured it'd be a waste to let this go to waste...

(EDIT!) Due to a recent review, I realized I forgot to add in that the wife OC (Satori) premiered in a few other stories ("Die Happy" and "My Brother's Keeper"). Rin's more of the focus than she is, so you don't necessarily need to know that much about her. If you want to know about what some might automatically consider a Mary Sue because it's not one of the other characters, the first two chapters of "Die Happy" pretty much covers her history and the way she met Rin. I'll be smart enough to add OC to the character section, too... These are things you forget when you post in the early AM...

Disclaimer: Blu Rose doesn't own the Blue Exorcist series.

Series Summary: Starting a family is supposed to be enjoyable. For expecting father Rin, as excited as he is about his forthcoming child, it also stirs up a lot of problems, questions and worries about the future.

Chapter Summary: Rin was so happy to learn that he was going to be a father, he didn't even think about the result. They were having a baby and that was all that mattered.

X-X-X

#1 (January): I Might Be Pregnant

23-year old Rin yawned as he walked up the stairs of his apartment building in True Cross Town. He could feel Kuro rustling about underneath the coat of his exorcist uniform, a decision Rin made when the snowfall got heavier and he didn't want the cat sídhe to suffer the cold any more than he had on that mission out in the country. All the half-demon exorcist wanted to do was crawl into bed with his wife of six months and go to sleep before he crashed from exhaustion. "Thank god I'm here…" Rin muttered as he reached the front door and took out his key, one arm cradling Kuro inside of his coat. Once he opened the door, he moved through the dark of the small living room and headed into the bedroom. His wife, Satori, sat cross-legged on the bed, reading through a textbook. "I'm home."

Satori looked up in surprise. "Rin! I, um, didn't expect you home so soon! How was your mission?"

Rin awkwardly took off his coat, careful not to drop Kuro or Kurikara, and dropped it on the floor. "We did our job. I didn't sleep for almost 24 hours, I got manhandled by a bunch of yetis and I think Kuro has a cold, but we did our job." He placed Kuro down on the bed, rested Kurikara against the dresser, and plopped down onto the bed face first into a pillow. "And now I'm just gonna…" He suddenly fell silent. After a few seconds, he started to snore into his pillow.

"Nighty-night, sweetie," Satori said as she patted her husband on the back and went back to copying down notes.

X-X-X

The next day, Kuro woke up with a yawn at the foot of the bed. The cat demon stretched before noticing Rin sprawled out on the bed, snoring and drooling. Kuro climbed up onto his torso and walked up to his half-demon friend's face. "Rin. Rin. Wake up. I'm hungry." The cat sidhe rubbed Rin's face with his paw and tickled his face with his tails. No reaction. The young man was out like a light, and Kuro was hungry. "Wake up!" After swatting at the half-demon's face several times, Rin cracked an eye open.

"Ugh…! What…?" Rin sat up and rubbed his face. "What have I told you about waking me up like that?" He spoke in a groggy manner

"It's time for breakfast! Time to eat!" Kuro chirped with a smile, completely ignoring Rin's question.

The blue-haired man took his phone out of his pocket to check the time. "…It's after 1 in the afternoon." He yawned and scratched his head before getting out of the bed, followed behind by Kuro. "I'm gonna wash up first, then I'll make something for lunch. See if Satori's there, would you?" Rin muttered as he entered the open bathroom and closed the door behind him. He padded over to the toilet to relieve himself when he noticed something on the sink. Actually, several things: about a half dozen plastic sticks with digital screens on one end. "What the hell is this stuff?" Rin's eyes fell on the trashcan between the sink and toilet and saw an empty box that basically said it was once full of pregnancy tests. His eyes darted back to the edge of sink and stared down at the one nearest to him. Its digital screen had a large plus on it. All of them did. It took a few seconds for Rin to register what that all meant. "…SATORIIIIIII!"

Out in the living room, Satori jumped at the volume of Rin's voice. "Looks like he's up," she muttered absentmindedly. It took a bit for the dark-haired woman to realize what that meant. "Oh, no," she squeaked seconds before she was grabbed from behind by her husband.

"Tori! Tori! You're pregnant! We're gonna have a baby!" Rin exclaimed as he began to kiss his wife on the cheek.

"Y-you saw the pregnancy tests in the bathroom, huh?" So much for being discrete. She may as well have done the tests in a public restroom. "Before you get excited, you should realize that one little stick being positive doesn't mean that I'm pregnant."

Rin stopped kissing and stared at her in confusion. "But all of them were positive. It's when there's a plus that it means you're pregnant, right?"

"It's possible all those boxes were filled with malfunctioning tests or something!" Satori snapped, slamming her hand against the couch cushion.

"…Just how many times have you tested yourself? How long have you known you were pregnant?"

Satori bit her bottom lip and looked away from Rin. "Maybe…a month."

"A MONTH?!" Rin jumped over the head of the couch and sat on the cushion next to his wife. He stared sternly at her. "You knew about this for a month and you didn't tell me?!" He growled.

"Because it's a mistake! It has to be a mistake! You always use a condom! We just…we just…! WAAAAAAAAHHHH!" Satori began to bawl loudly, causing her husband to stare at her in surprise.

"Wh…why are you crying? Don't…you wanna have a baby?" Wasn't having a family the next step for a married couple?

"I c-can't be a m-mother! I'd be the w-worst mother eveeeerrrr!"

"C-calm down! What makes you think that?" What came next was a flood of blubbering in the form of Satori listing her negative traits, essentially making mountains out of molehills while her husband stroked her hair and told her compliments. "You're taking things way outta proportion! I'm sure we'll be great parents." Rin gave the dark-haired woman a kiss on her forehead and smiled. "Satori, knowing that we're going to start a family together makes me so happy!" When she started to cry again, the half-demon brought his wife into a hug. "This is the start of something wonderful. I can't wait until it's born! Do you think it'll be a boy or a girl?"

The dark-haired woman sniffed and tugged a lock of her dark hair with a weak smile. "I…don't really care. I'll be happy if it's a healthy baby."

"Yeah, I feel the same."

"Although…I remember in biology class that we were told it's slightly likely for a fraternal twin to have children that are fraternal twins. What if we have twins, like you and Yukio?"

Rin flinched. "I…don't think I could handle two of me…or two of Yukio…!"

Satori held a hand over her mouth as she unsuccessfully stifled a giggle. "So is that a 'no'?"

"I-it isn't!" The blue-haired man smiled nervously. "It'd just be pretty hectic! Twins or not, I just don't want our kid to take too much after me."

"Really? I don't think I'd mind that much."

"You didn't know me as a kid." The blue-haired man brightened up. "Anyway! We need to prepare, right? We need to buy baby stuff like, uh…a crib, clothes, toys…"

"…Rin," Satori spoke solemnly as she folded her hands on her lap. "How do you think…everyone will react when we tell them I'm pregnant? Is it okay?"

"Eh? Of course it's okay!" Rin placed his hands on top of hers. "You'll see! Everyone'll be so happy for us! No need to worry!"

Of course, that was mostly wishful thinking. After all, things related to Satan always seemed to be a hot button topic…