Starting Life With S-Class Sisters
Lee Dojin came home at last, having finished his long academy life.
I’m finally going home.
When he was about twelve, the results of the annual health examination at school had declared him an awakened Hunter, and after that he’d been forced into early training. He had left home at a young age and spent nine years living in a fully residential academy.
Most Hunters would go straight into a guild and continue life in the field, but Lee Dojin had no need to do that. His older sister, seven years his senior, had amassed a staggering fortune over the course of her long career as a Hunter.
In the photo, familiar faces appeared beside his sister. Friends of hers he’d often seen at holidays and academy events.
S-Class Hunter, Lee Seoha.
S-Class Hunter, Ryu Arin.
S-Class Hunter, Song Sua.
...They’ve gotten even prettier.
@
A massive tower had risen where Gyeongbok Palace used to stand, and Lee Seoha was an S-Class Hunter who had made a name for herself with spectacular feats there.
For someone like that, buying a detached house with a yard in a neighborhood already short on parking near Gyeongbok Palace wasn’t especially difficult.
...Nobody’s home yet, right?
His sister had lived and fought side by side with the friends she’d grown up with since her F-Class days. In other words, starting now, he wouldn’t just be living with his sister—he’d be living with her friends too.
...Ugh, I’m going to be living with my sisters now.
Lee Dojin was a young man in the prime of his life. He wasn’t ignorant of what it meant to live under the same roof as adult women.
But this time, the sisters had been the ones to suggest it first.
...And that was how Lee Dojin ended up living with them.
In truth, he could have refused, but he didn’t particularly want to, so he’d agreed.
My room is...
He checked the room. If this was the “spare room” they’d mentioned, then it might as well have been the largest room in the house. The bed was absurdly large, and it even had its own bathroom attached.
Should I shower first... and then unpack?
There were two kinds of boxes.
Things transferred from the academy dormitory, and things that had been left behind in his old home before he entered the academy.
Sorting out the dorm stuff was quick enough. The old belongings, though, were another matter.
The clothes that no longer fit had long since been thrown away, and what remained were mostly cherished keepsakes soaked in old memories. Too precious to discard, too useless to keep, they were the sort of things that would only end up gathering dust in storage.
...Is this a diary?
A five-hundred-won notebook, a children’s diary divided into neat boxes so each letter could be written carefully and clearly.
He couldn’t really remember his childhood anymore, so he opened it cautiously.
[XXXX Year, XX Month, XX Day]
Since we were going on a field trip at school, my sister rolled me a delicious kimbap lunch!
I always said I wanted to eat it every day, and she told me to ask for that after I got a girlfriend!
So I said I’d make my sister my girlfriend!
[XXXX Year, XX Month, XX Day]
Lately, every time I look at my sister, I get this weird feeling!
When I saw her coming out of the shower, my little brother got really, really big!
I kept touching it, and it felt strange, but when she saw me, she scolded me and said I shouldn’t do that.
Hmph.
[XXXX Year, XX Month, XX Day]
This morning, I looked at my sister after she overslept.
While looking at her, I did the thing that felt good last time, and before I knew it, I ended up squirting white pee.
I got yelled at so badly by my sister when she woke up.
She said I should do that to the woman I want to marry, but can’t I just marry my sister?
[XXXX Year, XX Month, XX Day]
In the middle of the night, I heard a strange sound from my sister’s room.
It sounded like she was sobbing in pain... At first I thought a ghost had appeared.
Why was she shaking her hips against the pillow? Was she practicing horseback riding?
As I kept watching, her butt turned toward me... (erased)
Huh? W-wait.
Did I... do something like this?
He couldn’t read any further. The content was too embarrassing, and he snapped the diary shut.
S-surely everyone goes through this, right? Any younger brother with a sister would... have some kind of past like this.
Marriage to his sister.
...Lee Dojin was not blood-related to Lee Seoha.
He had only learned that after entering the academy: during the Corporate War, his father had taken in the child of a fallen comrade, and that child had been him.
Legally, they were family. Genetically, there was no problem at all.
Ugh...
Because of that, Lee Dojin actually saw Lee Seoha as a woman.
They had spent their childhood together, but during the years when he’d been growing into a man, he’d lived in the academy dormitory and grown up apart from her. Every holiday, every vacation, every time he went out on field training as a Hunter... he had thought the same thing.
Such a beautiful woman... and she’s my sister.
What did his sister think of him?
Maybe she didn’t think anything at all, which was why she’d called in a younger brother with no blood relation to live in her home.
No—maybe his sister also...?
@
Late at night, long after dinner time had passed, the sisters finally came home.
“...My little brother! Congratulations on graduating!”
Lee Seoha rushed up and hugged him at once. With her black hair, black eyes, sharp features, and legs trained like those of a track athlete, she was famous for her long, sculpted lines. Her athletic build looked almost like the seams of her pants might split at any moment.
In fact, Lee Seoha’s abilities were deeply tied to speed and running.
People said she was resolute and strict. But the moment she saw her little brother, Lee Seoha became soft and round, all at once.
Honestly, Lee Dojin had never understood the sharp assessments people made of his sister.
To him, she had always been endlessly kind.
“Sis, you’re even prettier now.”
“Ehehe, prettier? That’s a relief.”
“You started going to salons days ago, even got skin treatments you never usually do, just because you knew I was coming. It was no joke.”
The woman who came up next was Ryu Arin, one of the friends who had always stayed with his sister.
Ryu Arin had blonde hair and a voluptuous chest, and her hobby was cosplay... Sometimes, when she came to see him at the academy, his classmates would be shouting at her to sign something for them.
The photos of Ryu Arin floating around the internet were, in Dojin’s private opinion, not all that great.
In person, she was much prettier.
“Arin, have you been well too?”
“Me? I’ve been fine. You, though... I think you’ve gotten taller. Hmm♡”
Ryu Arin smiled with her eyes and whispered in a low voice while everyone was standing there.
“...Did you think about that thing I mentioned last time?”
“Ah, that... Well, I think I’ll have some time for now, so...”
“Good♡ Don’t go saying something different later, okay?”
He hadn’t exactly said he’d do it, though.
Still, it hardly seemed worth arguing over.
Then Song Sua adjusted her glasses and spoke.
“What did the two of you promise each other? You were whispering so much...”
“It’s nothing, really... I watched that movie you recommended last time, Sua.”
“Ah...♡ The sequel’s out too, so since we’re living together now... maybe we can watch it together later?”
With a little smile, Song Sua looked forward to that promise. When Dojin nodded without thinking much of it, Lee Seoha exploded with jealousy.
“Wait! What are you promising my friends without me? Whatever it is, I get first dibs! Dojin is my little brother, given to me by our parents! You girls move aside! Hey! Ryu Arin! Don’t go rubbing your chest against him like some sneaky fox!”
“Eh? Dojin looks like he likes it too...”
“Song Sua! Why are you holding my little brother’s hand too!”
“Because we’re going to watch a movie together.”
Lee Dojin was flustered too. This wasn’t how his sisters usually behaved physically around him.
“...I’m hungry. I haven’t eaten anything since this morning because I was waiting for you girls.”
“Ah, right! We brought back something good for a party!”
“Do you like tteokbokki?”
“How about pizza?”
“I like everything.”
“That’s a relief.”
Soon enough, the foods they’d brought from somewhere were laid out one by one across the wide dining table.
Once everyone had taken their seats, they popped open cans of beer and the conversation began to drift here and there.
“...I’m not trying to rush you, but have you thought about what you want to do from here on?”
Of course he had spent a long time thinking about his path. He’d gone through elementary, middle, and high school at an academy that gave early Hunter education from childhood, so it was only natural that he’d head into a related field. He’d even earned his Hunter license upon graduation.
What mattered now was exactly what he would do as a Hunter.
“For the time being, I think I’ll try living as an Agent.”
Hunters were broadly divided into three categories.
First were Hunters in the most literal sense: hunters who entered towers, killed monsters, and brought back their remains—the most common type.
Second were Agents, people affiliated with corporations or specific organizations who protected property or individuals.
Third were Rogues, criminals who used their mana for superhuman power and selfish gain.
In everyday speech, all three were generally called Hunters.
Just as forklift was originally a company name but had become the generic term for a powered industrial truck.
“...An Agent, huh. Not a bad choice.”
“So we’re finally going to have a reliable connection of our own? Wow...”
Compared to Ryu Arin and Song Sua, Lee Seoha didn’t look happy. Because she was family, she knew why her one and only little brother wanted to become an Agent.
So... Father...