Haikyuu!! x Reader

Matsukawa Issei || Fake It

I love Mattsun so much so here is a very long mess for him ok ok

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 It started with a one night stand. The typical 'hey you're drunk, I'm drunk, you're hot, I'm hot, we're friends and we both have needs so let's hook up' kind of one night stand that wasn't supposed to lead to anything more. And it wasn't going to lead to anything more. Until (f/n) found herself in a situation that only Matsukawa could help her out of.

"Hey, Matsukawa, I've got a question," (f/n) said when she walked into their psychology class that Wednesday. She plopped into the seat beside him and looked at him with an expression Matsukawa couldn't quite read. 

"Oh, hey (l/n), what is it?" he asked in response. She was quiet for a moment while they both got their things out for class, and then she turned her entire body to face him. 

She was rather nervous to be asking him; they'd been acting rather normal since their night together a few days before, and they had no problems speaking with each other as they normally did, but (f/n) was afraid that asking him to help her with this would be over the line. 

He calmed all her nerves when he smiled at her in the lazy way that only Matsukawa Issei could manage, and asked her again what it was she needed. At this she cringed a little.

"Umm, so just hear me out okay? Do you have a cousin that just does everything better than you? Like you got into this college and get good grades but it wasn't enough because your cousin got into like the best school in Tokyo or something?"

Matsukawa nodded. "Yeah, I have a cousin like that. I take it you have one too?"

(f/n) smiled widely at him. "Yes, she's always doing shit better than me even though she doesn't have to try and my mom has told me, on many occasions, that she wants me to be more like fucking Mae, but I just can't. Soooo," (f/n) started, leaning in towards the tall boy, "you wanna help me piss my mom off?"

Matsukawa smirked and nodded, knowing that he'd do all he could to piss of his mom if she lectured him about being more like his 'perfect' cousin.

"Okay, so here's the plan."

*****

And that's the story of how they ended up in Sendai that Friday for Mae's wedding.

The church in Sendai was only a car ride away from the dorms (f/n) and Matsukawa stayed in. They drove up together, in Matsukawa's rather nice car (his father refused to send him off to college without a vehicle) and they spent the entire ride going over their fake relationship info. They'd planned it all out; made up a story about how they met, came up with cheesy nicknames to call each other, and even planned out stories about their relationship for when (f/n)'s family were sure to ask them.

When they arrived at the church (f/n) was immediately greeted with her mother, who seemed surprised at Matsukawa beside her.

"Hey mom, you remember me telling you about me bringing my boyfriend, right?" (f/n) smiled widely at Matsukawa and brought him closer to her before looking back to her mom. "This is Matsukawa Issei," she said with the smile still on her face, wrapping her arms around his waist.

Matsukawa wrapped his left arm around her shoulders and held the other out for her mother. "It's nice to meet you, (l/n)-San," he said, and (f/n) watched as her mother shook his hand carefully.

"It's nice to meet you too, Matsuwaka was it?" Before (f/n) could correct her, her mother turned her irritated look to her. "You need to go greet Mae and get in your dress. Take your boyfriend to see your father and brother, and then come get dressed."