SI-VIS: The Sound of Heroes - Episode 15 discussion

*SI-VIS: The Sound of Heroes*, episode 15

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**Streams**

* [Crunchyroll](http://crunchyroll.com/si-vis-the-sound-of-heroes)

**Show information**

* [MyAnimeList](https://myanimelist.net/anime/62126/)
* [AniList](https://anilist.co/anime/196553)
* [AniDB](https://anidb.net/perl-bin/animedb.pl?show=anime&aid=19501)
* [Anime-Planet](https://www.anime-planet.com/anime/si-vis-the-sound-of-heroes)
* [Official Website](https://si-vis.live/)

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**All discussions**

Episode|Link|Episode|Link
:-:|:-:|:-:|:-:
1|[Link](https://www.reddit.com/r/anime/comments/1nyc0m1)|14|[Link](https://www.reddit.com/r/anime/comments/1q9muc2)
2|[Link](https://www.reddit.com/r/anime/comments/1o4d79y)|15|[Link](https://www.reddit.com/r/anime/comments/1qfvsu3)
3|[Link](https://www.reddit.com/r/anime/comments/1oadxan)
4|[Link](https://www.reddit.com/r/anime/comments/1og8y5w)
5|[Link](https://www.reddit.com/r/anime/comments/1om5k1w)
6|[Link](https://www.reddit.com/r/anime/comments/1os75ft)
7|[Link](https://www.reddit.com/r/anime/comments/1oy9jdn)
8|[Link](https://www.reddit.com/r/anime/comments/1p4aoqu)
9|[Link](https://www.reddit.com/r/anime/comments/1pa6bhv)
10|[Link](https://www.reddit.com/r/anime/comments/1pg6h1l)
11|[Link](https://www.reddit.com/r/anime/comments/1pm2e3b)
12|[Link](https://www.reddit.com/r/anime/comments/1pruzdh)
13|[Link](https://www.reddit.com/r/anime/comments/1pxf6em)

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Commentaires

MightyActionGaim2026-01-18 03:41

NAGI 🫶🏻🫶🏻🫶🏻

oh hey, boys ver of the ending

momosdog2026-01-18 04:03

siren is back :3

HuTaosTwinTails2026-01-18 04:29

Kyoya is the least likeable character in this show, and that was a dick move at the end.

gem2niki2026-01-18 05:43

What was that awkwardness at the end... does Nagi think Kyouya love Siren?
Krios doesn't really have the right to be mad at June and Si-Vis when his people killed June's brother and a lot of humans. An eye for an eye.

ClemFire2026-01-18 06:33

Makes the world go blind. I am hoping there can be some type of peaceful resolution as I suspect Krios' people aren't naturally evil but are instead being manipulated by their corrupt ruler.

Williukea2026-01-18 20:41

From what we saw, they need Earth to save their own planet. Maybe Apollo told them the Earthlings don't deserve their planet and using Mirage to take Earth/kill its people is the only way they could save their own home, A La \[different series' name\]>!Tokyo Mew Mew!<

Shimmering-Sky2026-01-18 07:16

- [Ouch, that is *not* good.](https://i.imgur.com/lxbAoVH.png) [](#emiliaohdear)

- [They have a helicopter!](https://i.imgur.com/ZizrSXo.png) [](#seasonalhype)

- [Krios…](https://i.imgur.com/olxKp4j.png) [](#kurisudisappointed)

- [Press X to doubt.](https://i.imgur.com/f9kmm1W.png) [](#thebutton)

- [lol](https://i.imgur.com/6Z0iURP.png) [](#kukuku2)

- Nagi song hype! [](#urarahype)

- [Dang, the song stream got cut off *immediately*…](https://i.imgur.com/4lWvycB.png)

- [Hahahahaha](https://i.imgur.com/8awjQm0.png) [](#pointandlaugh)

- [Oh yeah, this is hype.](https://i.imgur.com/d8eUleJ.png) [](#rengehype)

- [Ooh…?](https://i.imgur.com/wzgsx7F.png) [](#curious)

- [Yosuke even thought of *that*!](https://i.imgur.com/AR0dlsw.png) Oh [and he *was* considering reciprocating Rui’s feelings…](https://i.imgur.com/adc1iyR.png)

- [Damn, Nagi was having a moment](https://i.imgur.com/aSSPg9F.png) just [to be interrupted by the news of Siren waking up…](https://i.imgur.com/UpKqtMs.png) [](#frustration)

- Oh the ED sounded really weird with only half the vocals this time. [](#hardthink)

danlong872026-01-18 07:29

Hmm i have a bad feeling about the reaction from Nagi at the end there, hopefully theres nothing to it

Nickthenuker2026-01-18 09:44

Uh oh.

A Black Hawk?

I was going to say they could at least make it in time to be the backup but an airlift works too.

What's that?

Right. Go time.

What's his plan?

Ok...

Right. They're here.

And so that worked.

10 years ago?

She's crying!

So, Siren is back.

Ooh the guys doing the ED.

kaitodash2026-01-18 14:19

Kyoya, dude..

Objective-Ad27412026-01-18 17:40

Is Yosuke the Himmel of Si-Vis at this point? Bro got all the plot relevance after his death and he got mentioned every single episode.

Imagine if Nagi actually go Yandere mode after this.

testthrowawayzz2026-01-18 20:07

Yousuke wasn't oblivious to romance was pretty funny

Williukea2026-01-18 20:36

Why do I feel like Nagi will collapse after the concert, like she couldn't sing more than 30 seconds and now she lasted entire 1h+ concert

rotvyrn2026-01-19 02:50

Catching up: Can I say that the last episode was funny because of the strong contrast between the Kyoya Souji kinda tsundere BL thing going on and the Krios toxic rebound yaoi. I know what the canon ship is but it was so funny to see this slow emotional episode, spliced with "Use me as a tool for your revenge"

As for this episode: Uhm. Isn't Siren important to, like...all of them? The little drama moment at the end of just Kyoya reacting and going seems...unnecessary. I know Kyoya feels guilty about it and all, and everyone else is kind of all in on this ship and waiting for them to confess already, while Kyoya has classic blockhead protagonist can't-read-the-vibe syndrome, but...

Also, they better not keep trading off Nagi and Siren to various circumstances just to keep it special when they work together lol. If they keep having this shared hp pool where one has to suffer for the other to recover, it would be so funny, since theoretically Kyoya and Nagi are the ones who traded HP

Vpower2026-01-19 16:30

So the Kyoya and Nagi thing at the end will either be:
\- Nagi smiling because she can finally smile
\- Nagi smiling because she knows how Kyoya is and letting him be himself, knowing he'll come back.

caresi2026-01-20 14:54

the ending (not the post-credit scene) was some contrived bullshit, but okay. i really don't think we need a jealousy subplot in this show.

to talk about things i enjoyed more in this episode - june. 🥰 i love that he now uses the scythes in battle sometimes, they look so cool and at odds with his design. also, not in a ship way, but i love the relationship june and krios have. krios straight-up hates june, and while i'm pretty sure june doesn't hate krios any less, i think he also very much pities him? it's a really fun dynamic, and i still have hope that krios will learn and that he won't end up like lukos.

lastly, glad that siren is awake! i really hope she won't be delegated to being just a songwriter.

Bakpieya2026-01-21 16:22

I love Si-Vis since it’s the most closest thing I have in terms of anime with my favorite troup and genre (such as AKB0048, Macross Delta, Carole and Tuesday) but alright wtf with the ending

The love triangle will be funny, Imagine Nagi get the wrong idea about things between Siren and Kyoya, even though I’m pretty sure Siren almost had no romantic feelings towards Kyoya (mind you she’s on the same age pool as Yosuke and Rui, the adult one!!! Would be weird if she’s into Kyoya in a romantic way.) And Siren fully knowing (Even might be the one who realized first) that Nagi is totally into Kyoya romantically.

Kyoya going to be the dense-ahh shonen protagonist… ah sick, here we go again… Even Tanjiro can do better about whatever happened between him and Kanao (in KnY)

Do you know what’s the true Love Triangle here? Between Nagi - Kyoya - and… and Souji!!! Come on man he’s the better option of being the third wheel instead of Siren, please!!!

Bakpieya2026-01-21 16:25

Anyway I feel bad to Rui since what do you mean you have your feeling reciprocated only after your crush is… basically, dead??? I gotta imagine the world where Yosuke can be saved instead.

TalkWithEdo2026-01-23 17:00

I really liked how they highlighted Nagi here. Some drawings are season top tier, like even considering all the other anime this current season. Glad to see the people love to draw them -specially Nagi, again, when I get that they draw her like an angel.

Also: Kyoya don't be dumb. She likes youuuuu why leaving her alone like thatttt

Story-wise I like better the new villains, seems more complex than the current ones. We will see how the story goes forward!