T/N Rough translations of the Finnish (which are lyrics taken from a song by the same name of this fic, if you want to look it up) can be found at the end of the chapter. I recommend you read them in real time. Original story by Fukaru Rhyan, translated by Walroose.
He simply couldn't believe what he was reading.
Today had started like any other day for Finland. Su-san had to attend an emergency meeting with his bosses, so Finland had decided to take the opportunity to clean his study a little bit. And it was then that he saw it: on top of the desk, open wide, was Sweden's diary.
He intended to resist temptation, but his curiosity was great; so much so that in the end he gave in. But he resolved to take only a small, very short look, and limited himself to the pages that were facing up.
Because of Sweden's serious expression, a look that filled Finland with fear, plus the fact that the Swede didn't talk much, Finland had always thought that Su-san was difficult to understand; that's why this opportunity to read his diary was too tempting to ignore. However, what he found written there was completely unexpected.
Sun silmäs aina mä muistan,
niin yltäin murheen puistan.
Kun illoin panen maate
on mielessäni aate:
"Huh?"
It was in Finnish. He blinked a couple times due to his surprise and he read the paragraph again, asking himself why Su-san had written something like this in Finnish, because no matter the interpretation that he tried to give it, it definitely seemed to be a declaration of love.
The little blonde blushed violently and shook his head a few times, trying to dislodge this idea. Maybe reading a little more would make everything clear.
Minä sulle kihlat ostan
sinut vielä mä sylliin nostan
Kun rakas niin olet sinä mulle.
Minä sulle haastelen:
Finland raised an eyebrow, more confused than before. An engagement ring? For what? Before his mind could further confuse him with more questions, he focused his attention on the last sentence on the page.
Tuu mun vaimoksein.
His eyes and mouth opened wide from the shock that he'd just received. He could understand this perfectly: "Please be my wife". It wasn't just a declaration of love, but a marriage proposal.
Tuu mun vaimoksein.
So…Sweden was finally going to find a real wife, Finland concluded. Surely he was also tired of the joke, calling him "wife" for so many years…
"Don't you think that's enough already?"
The Swede looked up from the newspaper that he was reading and focused his attention on the little Fin in front of him.
"Always saying that I'm your wife… Now even Sea-kun calls me Mama!"
"B't you are," the other said without understanding the cause of his anger, "M' wife 'nd Peter's m'ther."
Finland could feel that his cheeks were now tinged with red, and the confidence that he'd once had in order to make such a complaint to Sweden had disappeared.
"B…but…" he took a couple minutes to think of what to say next. "I'm a man!" He pointed to himself and Su-san raised an eyebrow, as if to ask him why he commented on something so obvious. "And…and also…It's not as if we're really married!"
The bespectacled man raised his hand to his chin and turned his gaze to the floor, carefully analyzing his arguments.
"Su-san?"
No answer. Finland began to feel more nervous. What if he'd made him mad?
"Berwald?"
He had to wait a little longer before Sweden returned his attention to the other nation, who barely managed to hide a little cry of fear as he felt the cold and penetrating stare of the Swede on him.
"Yer r'ght," he said.
"Eh? … Oh, of course I'm right!" he exclaimed happily, for it seemed that the other had finally understood. "Th-Then, you should stop playing that I'm your wife, don't you agree?"
Sweden agreed and Finland retired, satisfied to have cleared that up and to know that the old joke was finally finished with.
Returning to reality, Tino finished recalling his conversation with Berwald from the day before.
Sweden was going to propose to him, and thus, make it so that it wouldn't be a joke every time he called Finland his wife.
"This wasn't what I meant!" he shouted, letting the diary fall on the desk, his face completely red. "Stupid Su-san!"
He heard Hana-Tamago's barking and then the door opening and closing, indicating that someone had entered the house. Finland gave a start, certain that Sweden had returned.
He hurried to adjust the diary so that it looked like it had when he found it and checked carefully that he didn't leave any evidence of his presence in the room.
While he was going out, he mentally told himself that he must talk very seriously with Berwald and he would tell him clearly once and for all that he couldn't be his wife.
Even though they live in the same house…
Although I'm independent… No one and nothing was forcing him to stay. He shook his head and said that, despite everything, he enjoyed being in the company of the Swede, only because he's a good friend and nothing more!
Even though they slept together…
He blushed at that thought. B-but only because Su-san is warmer than any blanket… Since that first night when they'd escaped together from Denmark's house and Sweden had hugged him to keep him safe from the cold, the Fin had learned that there wasn't any better source of heat against the frosty nights.
Even though Sealand called him Mama…
Th-that's because he was influenced by Su-san! he justified. Still, he liked to think of them four (pet included) as a happy family. Also, didn't Sweden adopt Sea-kun only because Finland had said that he really wanted to have a kid with them?
Even though the words written in the diary had been so sweet…
"Daddy!" Sealand ran enthusiastically to greet Sweden.
Tino watched the scene, a pleased look on his face. Peter hugged Berwald, who ruffled his hair affectionately while Hana-Tamago barked and hopped around with pleasure.
Finland smiled and approached, giving his greetings as well. He decided that their talk could wait, for he didn't want to ruin this beautiful moment.
A/N I thought about not putting the translated lyrics until the end of the fic, but in the end another idea occurred to me, and so I put the part from this chapter here:
I will always remember your eyes,
This is how I forget my sorrows.
When I go to sleep at night,
There is a thought in my mind.
I will buy you an engagement ring,
I sit you in my lap,
Because I love you so much,
I ask you, please be my wife.
T/N I sort of made a cobbled mess of the lyrics. I somewhat combined a translation from Finnish to English along with the translation from the Spanish that the author had in her original story, so it probably doesn't much resemble its original form…I apologize to the Finnish language!
This is my first translation, so I hope I'm doing ok! It might be a little choppy or awkward at some parts, but overall I was pleased! The next chapter will be coming shortly! : )