—That was back when I was in about second grade.
Big sis Itsuki...!
Details 9:22
- Chapter
- Sidearm Upon the Water
- Duration
- 9:22
- Release
- Oct 17, 2026
- Characters
- Hotaru Shiomi , Natsume Izawa , Nagi Kotohira , Mahoro Hamasaki , and Houka Izumi
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Speakers
Background
Several Years Ago
Background
Kanata
It's a stone-skipping battle!
Whoever gets the most skips is today's leader!
Whoever gets the most skips is today's leader!
Kanata
You get to decide everything we do! No complaints!
Okay! I'm definitely not losing!
Kanata
Oh? If I win, then y'know!
Today we're hunting for a big ol' crab!
Today we're hunting for a big ol' crab!
Huh? Crabs again?
I wanna look for sea glass!
I wanna look for sea glass!
...
Kanata
Nagi! Which one do you want?
Huh? Um... both sound fun...
Then Nagi-chan's with me for sea glass!
Come on, let's look for stones together!
Come on, let's look for stones together!
Kanata
Ah! No fair!
Kanata and Mahoro, my two childhood friends.
Mahoro and I have known each other since kindergarten.
Kanata moved here around when we started elementary school.
Kanata moved here around when we started elementary school.
I was always tagging along behind the two of them.
Ah... but...
?
Can I... skip it well...?
What if I'm really bad at it...?
Kanata
Ya won't know unless ya try, right?
Well, ya might not beat the great Kanata though!
Well, ya might not beat the great Kanata though!
Kanata! You're gonna make Nagi-chan cry!
Uugh...
Kanata
Ugh. Geez, I said sorry!
Look, let's just do the battle.
Look, let's just do the battle.
Nagi-chan, how about this stone? It's cool, huh?
...Yeah. I'll use that one.
Kanata
All right! Everyone got one?
Then here we go... ready, set... go!
Then here we go... ready, set... go!
...Hup!
One, two...
Kanata
Five! I got five skips!
I got five too!
What about you, Nagi-chan?
What about you, Nagi-chan?
...Three skips.
I see. Then me and Kanata are tied?
Who won?
Who won?
Kanata
Mine went farther!
Huhh? I didn't see that~
Kanata
Then what're we s'posed to do?! Crab~!
Back then, my world was
those two noisy girls a year older than me, and—
those two noisy girls a year older than me, and—
Itsuki
Ah, there you are! Heeey!
!
Itsuki
I came to pick you three up~
Big sis Itsuki...!
Itsuki
What are you three making a fuss about now?
Kanata
Um, so! We did a stone-skipping battle!
Mahoro won't admit she lost!
Mahoro won't admit she lost!
No! Kanata's the one lying!
Itsuki
...Okay, got it. Leave it to Sis Tsuki!
!?
Itsuki
I'm gonna skip a stone too, so watch.
We'll decide who wins by how many times it skips.
We'll decide who wins by how many times it skips.
Itsuki
If it's odd, Kanata wins; if even, Mahoro... something like that?
Kanata
What're "Otter" and "Evan"?
I dunno. Maybe they're some fluffy characters?
Itsuki
Ahaha... Well, let's give it a try!
Ready... set... go!
Ready... set... go!
Background
—My sister, whom I admired.
Those three filled up my whole world.
Background
Gymnasium
...!
Go, go! Big sis!
...! Amazing, amazing! Goal!
Kanata
Whoa! That one just now, it went swoosh-swoosh,
and then wham!
and then wham!
Right! It was so cool!
...! Ehehe.
Background
—Itsuki Kotohira. My sister, four years older than me.
She was in sixth grade,
and she was the ace of her basketball club team.
and she was the ace of her basketball club team.
Background
Big sis is always in the garage,
practicing super hard!
practicing super hard!
And then! Since she's so good at basketball,
she's going to a middle school with a strong basketball team!
she's going to a middle school with a strong basketball team!
Background
One Year Later
Background
Itsuki
...Phew.
Itsuki
Nagi, is it fun watching me the whole time?
Yeah! It's fun!
'Cause I love watching you practice, big sis!
'Cause I love watching you practice, big sis!
Itsuki
I see, I see. Guess I gotta work even harder.
Hey, when can I watch one of your games?
I wanna see you look cool, big sis!
I wanna see you look cool, big sis!
Itsuki
Ah... well, just wait a little longer, okay?
Itsuki
I told you, didn't I? Our basketball team is super strong.
So even the first-years are all really good.
So even the first-years are all really good.
Itsuki
And the upperclassmen are even better,
so honestly, it's tough to suddenly be a regular or even make the bench.
so honestly, it's tough to suddenly be a regular or even make the bench.
...? I see.
Itsuki
But once I'm in second year, I'll definitely get to play!
Yeah!
Background
One Year Later
Background
Itsuki
...I'm home.
Nagi's Mother
Ah, welcome home, Itsuki.
Aren't you using the garage today?
Aren't you using the garage today?
Itsuki
Ah... yeah. Nah.
Huh...? You're not gonna practice?
Itsuki
...Yeah. I'm tired, so I'm taking today off.
...? Okay.
Background
—And then, in the summer when my sister was in her third year of middle school.
Background
Itsuki
...
...?
(Where's big sis going at this hour?)
Background
(The garage... maybe she's practicing for the first time in a while...?)
Itsuki
Ugh, seriously!!
!?
Huh...?
(What was that sound just now...?)
Background
Itsuki
Damn it, damn it, damn it...!
Itsuki
Why... why, why, why!!
Itsuki
Just why?!
...Big... sis...?
Itsuki
!!
Itsuki
...Nagi. Why are you here?
Huh... Ah...
Itsuki
I'm quitting basketball.
...What?
Huh, huh, why...? Why're you quitting?
But big sis, you practiced so much every day—
But big sis, you practiced so much every day—
Itsuki
...I couldn't.
...?
Itsuki
I couldn't get in! Not even the bench!
Itsuki
It was my last tournament!
I couldn't even make the bench!!
I couldn't even make the bench!!
...!
Itsuki
...I kept pretending not to see it.
In my first year, in my second year, the whole time.
In my first year, in my second year, the whole time.
Itsuki
I told myself I just hadn't practiced enough... I believed that if I tried harder,
if I did my best, it'd pay off! And yet!!
if I did my best, it'd pay off! And yet!!
Itsuki
If it was gonna hurt like this...
I wish I'd never started at all.
I wish I'd never started at all.
Huh... ah, wait...
...
(...Why? Big sis worked so hard, and yet...)
(Why does she have to go through something so painful?)
(Isn't working hard supposed to be a good thing?)