<p>The dialogue here goes:</p>
<blockquote>
<p>で、窓硝子はどこだい？<br />
So, where are the windows?</p>
<p>なぜ？<br />
Why do you ask?</p>
<p>壊して回るんだよ。<br />
I'm going to go around breaking them.</p>
<p>魔梨威さん、十五夜と十五の夜は違うから。<br />
Marii, it might be a full moon night, but it's not the fifteenth.</p>
</blockquote>
<p>The last quoted line is the one depicted in your screenshot. There's a difficult-to-capture joke in this sequence, which I will nonetheless try to capture below.</p>
<p>Here, 十五夜【じゅうごや】 (character-by-character &quot;fifteen-night&quot;) is translated as &quot;full moon night&quot;. It literally just means &quot;full moon&quot;. This originated as a reference to the lunar calendar, but now is just an ordinary synonym for &quot;full moon&quot;.</p>
<p>十五【じゅうご】の夜【よる】 (the same thing with the genitive particle の interposed) is translated as &quot;the fifteenth&quot;. A more direct interpretation of this, however, would be &quot;a night at the age of fifteen&quot; (an age when people are prone to <a href="http://tvtropes.org/pmwiki/pmwiki.php/Main/JapaneseDelinquents" rel="nofollow noreferrer">&quot;Yankee&quot;</a> antics).<sup>1</sup> The joke, then, originates from the fact that 十五の夜 (<em>Juugo no Yoru</em>) is also the name of <a href="http://www.youtube.com/watch?v=pshjQzqGynE" rel="nofollow noreferrer">an 80s song</a>, the debut single of popular singer OZAKI Yutaka, and one that has great affection for the Yankee ideology/ethos. The song's chorus reads:</p>
<blockquote>
<p>盗んだバイクで走り出す 行き先も解らぬまま<br />
暗い夜の帳りの中へ<br />
誰にも縛られたくないと 逃げ込んだこの夜に<br />
自由になれた気がした 15の夜</p>
</blockquote>
<p>Translated loosely as prose:</p>
<blockquote>
<p>Riding the bike I stole, I dash off into the curtains of the dark night, knowing not where I'm headed. I don't want anyone to chain me down as I run off into the night, feeling free at last - the night of the fifteenth.</p>
</blockquote>
<p>This is why Tetora's backdrop changes from a full moon (十五夜) to a guy riding a bike when she says 十五の夜.</p>
<hr />
<p>Alternate possibility (and probably a more likely one): Marii's lines could be a reference to a <em>different</em> Ozaki Yutaka song: 卒業【そつぎょう】 (<em>sotsugyou</em>, &quot;Graduation&quot;; <a href="http://j-lyric.net/artist/a000ee6/l004f70.html" rel="nofollow noreferrer">lyrics</a>), which contains the following line:</p>
<blockquote>
<p>夜の校舎 窓ガラス壊してまわった<br />
I went around the school building, breaking all the windows.</p>
</blockquote>
<hr />
<p>Note also that Gankyou's line a few seconds later may be related:</p>
<blockquote>
<p>つまらない大人にはなりたくないね。<br />
I don't want to become a boring adult.</p>
</blockquote>
<p>This is an almost-direct quotation of the penultimate line from the song ガラスのジェネレーション (&quot;Glass Generation&quot;), by <a href="http://en.wikipedia.org/wiki/Motoharu_Sano" rel="nofollow noreferrer">SANO Motoharu</a>, on his album &quot;Heart Beat&quot; (<a href="https://www.moto.co.jp/works/songs/HeartBeat.html" rel="nofollow noreferrer">lyrics</a>).</p>
<blockquote>
<p>つまらない大人には　なりたくない<br />
(same as above, but without the concluding interjectory particle ね)</p>
</blockquote>
<hr />
<h1>Notes</h1>
<p>For more information about Joshiraku obscurata, see <a href="http://notredrevie.ws/2012/08/09/joshiraku-04-notes-and-the-like/" rel="nofollow noreferrer">vale's translation notes</a>.</p>
<p><sup>1</sup> This is probably an elision of the construction 十五歳【じゅうごさい】の夜【よる】, and is literary or poetic in nature.</p>

CC BY-SA 3.0
2013-12-24T10:04:43.647Z
The song name "15の夜" is a rather literary way of saying "a night at 15 (years old)". Also, Marii's lines are probably a reference to Ozaki's song "[卒業](http://ja.wikipedia.org/wiki/%E5%8D%92%E6%A5%AD_(%E5%B0%BE%E5%B4%8E%E8%B1%8A%E3%81%AE%E6%9B%B2))", in which he sings, "夜の校舎 窓ガラス壊してまわった", and Gankyou's line "つまらない大人にはなりたくない" is more likely a direct quote from [Motoharu Sano](http://en.wikipedia.org/wiki/Motoharu_Sano)'s 1980 song "[ガラスのジェネレーション](http://ja.wikipedia.org/wiki/%E3%82%AC%E3%83%A9%E3%82%B9%E3%81%AE%E3%82%B8%E3%82%A7%E3%83%8D%E3%83%AC%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3)".
yibe
CC BY-SA 3.0
2013-12-24T14:06:39.223Z
@yibe Wow, thanks for the pointers. I've incorporated them into my answer. You sure know your music!
senshin
CC BY-SA 3.0
2013-08-28T22:27:48.743Z
2014-05-24T02:49:11.323Z
2020-06-17T09:17:53.303Z
senshin
<p>In <em>Joshiraku</em>, Marii enters the room dressed as a <a href="http://yanki.urbanup.com/2909634" rel="nofollow noreferrer">Yankee</a>, proclaiming that she's gonna break a load of windows since it's a full moon. Tetora responds with:</p>

<p><img src="https://i.sstatic.net/ltDpIl.jpg" alt="Tetora, with motorcycle in the background; subtitled &quot;Marii, it might be a full moon night, but it&#39;s not the fifteenth.&quot;"></p>

<p>What's the significance of the 15th and why would she break a load of windows?</p>

<japanese-language><joshiraku>
What's significant about a full moon on the fifteenth?
# What's significant about a full moon on the fifteenth?
Posted by: username_0 on 2013-08-28
In *Joshiraku*, Marii enters the room dressed as a [Yankee](http://yanki.urbanup.com/2909634), proclaiming that she's gonna break a load of windows since it's a full moon. Tetora responds with:

![Tetora, with motorcycle in the background; subtitled ](https://i.sstatic.net/ltDpIl.jpg)

What's the significance of the 15th and why would she break a load of windows?
**Tags:** japanese-language joshiraku
---
## 1 answers
### Answer by username_1 on 2013-08-28. Score: 11 | Accepted answer
The dialogue here goes:

> で、窓硝子はどこだい？  
> So, where are the windows?
>
> なぜ？  
> Why do you ask?
>
> 壊して回るんだよ。  
> I'm going to go around breaking them.
>
> 魔梨威さん、十五夜と十五の夜は違うから。  
> Marii, it might be a full moon night, but it's not the fifteenth.

The last quoted line is the one depicted in your screenshot. There's a difficult-to-capture joke in this sequence, which I will nonetheless try to capture below.

Here, 十五夜【じゅうごや】 (character-by-character "fifteen-night") is translated as "full moon night". It literally just means "full moon". This originated as a reference to the lunar calendar, but now is just an ordinary synonym for "full moon".

十五【じゅうご】の夜【よる】 (the same thing with the genitive particle の interposed) is translated as "the fifteenth". A more direct interpretation of this, however, would be "a night at the age of fifteen" (an age when people are prone to ["Yankee"](http://tvtropes.org/pmwiki/pmwiki.php/Main/JapaneseDelinquents) antics).1 The joke, then, originates from the fact that 十五の夜 (*Juugo no Yoru*) is also the name of [an 80s song](http://www.youtube.com/watch?v=pshjQzqGynE), the debut single of popular singer OZAKI Yutaka, and one that has great affection for the Yankee ideology/ethos. The song's chorus reads:

> 盗んだバイクで走り出す 行き先も解らぬまま  
> 暗い夜の帳りの中へ  
> 誰にも縛られたくないと 逃げ込んだこの夜に  
> 自由になれた気がした 15の夜

Translated loosely as prose:

> Riding the bike I stole, I dash off into the curtains of the dark night, knowing not where I'm headed. I don't want anyone to chain me down as I run off into the night, feeling free at last - the night of the fifteenth.

This is why Tetora's backdrop changes from a full moon (十五夜) to a guy riding a bike when she says 十五の夜.

---

Alternate possibility (and probably a more likely one): Marii's lines could be a reference to a *different* Ozaki Yutaka song: 卒業【そつぎょう】 (*sotsugyou*, "Graduation"; [lyrics](http://j-lyric.net/artist/a000ee6/l004f70.html)), which contains the following line:

> 夜の校舎 窓ガラス壊してまわった  
> I went around the school building, breaking all the windows.

---

Note also that Gankyou's line a few seconds later may be related:

> つまらない大人にはなりたくないね。  
> I don't want to become a boring adult.

This is an almost-direct quotation of the penultimate line from the song ガラスのジェネレーション ("Glass Generation"), by [SANO Motoharu](http://en.wikipedia.org/wiki/Motoharu_Sano), on his album "Heart Beat" ([lyrics](https://www.moto.co.jp/works/songs/HeartBeat.html)).

> つまらない大人には　なりたくない  
> (same as above, but without the concluding interjectory particle ね)

---

# Notes

For more information about Joshiraku obscurata, see [vale's translation notes](http://notredrevie.ws/2012/08/09/joshiraku-04-notes-and-the-like/).

1 This is probably an elision of the construction 十五歳【じゅうごさい】の夜【よる】, and is literary or poetic in nature.
> **Comments:**
> **username_2** (2013-12-24): The song name "15の夜" is a rather literary way of saying "a night at 15 (years old)". Also, Marii's lines are probably a reference to Ozaki's song "[卒業](http://ja.wikipedia.org/wiki/%E5%8D%92%E6%A5%AD_(%E5%B0%BE%E5%B4%8E%E8%B1%8A%E3%81%AE%E6%9B%B2))", in which he sings, "夜の校舎 窓ガラス壊してまわった", and Gankyou's line "つまらない大人にはなりたくない" is more likely a direct quote from [Motoharu Sano](http://en.wikipedia.org/wiki/Motoharu_Sano)'s 1980 song "[ガラスのジェネレーション](http://ja.wikipedia.org/wiki/%E3%82%AC%E3%83%A9%E3%82%B9%E3%81%AE%E3%82%B8%E3%82%A7%E3%83%8D%E3%83%AC%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3)".  
> **username_1** (2013-12-24): @yibe Wow, thanks for the pointers. I've incorporated them into my answer. You sure know your music!  
---
