On top of being [[NightmareFuel one of the most disturbing animanga series ever]], ''NaruTaru'' also has no end of gutwrenching TearJerker moments.

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* To start with, there's Hiro-chan's arc. Watching her [[spoiler:break down just after the test tube incident, unable to cope with any more suffering]] hurts. So does [[spoiler:Hoshimaru being forced to kill Hiro-chan to save Shiina's father, traumatising Shiina in the process]], which the anime version manages to make ''even sadder'' by [[spoiler:having Hiro-chan shed one more tear just as she dies]]. Actually, the whole arc is pretty harrowing. Poor, ''poor'' Hiro-chan.
* Thechapter about Shiina's first day of middle school to be really sad, but in a semi-heartwarming way. When Shiina fills up the tub and asks her dad if they can take a bath together, like they used to, and he says that they can't, it's already sad enough. Cue next page, with Shiina crying and telling him that she wants to be his "little Shiina" one last time.
* The last three volumes have too many tearjerker moments to count, but one of the most memorable and scarring is [[spoiler: Shiina's death near the end of volume 10]]. Seeing the beloved character ''literally cut in half'' by Vulcan rounds just after the insinuation that [[spoiler: she might not be the main character after all]] is all but guaranteed to leave an impression, even on readers who aren't the crying type. That death scene and the words ''Returning Home in a Bag'' may well permanently burn themselves into your mind.
* And from the same volume, one certainly can't forget [[spoiler:Norio's death]]. While the ''way'' it happens is more likely to bring out [[NightmareFuel tears of pure horror]] than anything else, [[spoiler:Norio's [[TheDeterminator singleminded determination to protect Takeo no matter what HE himself is being put through]], as well as his eventual regret that not only can he no longer protect his friend, but he can also never tell him his true feelings]] bring everything together to make the scene genuinely sad. Those last words, along with that [[GoOutWithASmile ironic smile]], are ''painful''.
* Volume 11 ''begins'' with an extremely miserable chapter - which, as it so happens, is directly related to the above two moments. You know the rest of the volume isn't going to be much happier when, not too long afterwards, [[spoiler:''Takeo'' of all people starts crying]].
* Perhaps one of the hardest-hitting moments of all comes in chapter 65, just two chapters short of the end, which has [[spoiler:Shiina going into a ''severe'' [[HeroicBSOD state of denial]] over the death of her father, to the point where she says that she'd like to go home and have dinner with her dad and Akira, and perhaps invite Hiro-chan too.]] When you remember that [[spoiler:Hiro-chan died ''six volumes ago'']], it's absolutely heartbreaking to read. Right after that [[spoiler:Akira, wounded and in tears herself, begs Shiina to come to her senses and make peace with her mother, the last family Shiina has remaining]]... and finally, just to twist the knife even further, a few pages later there's [[spoiler:final images of deceased characters like Hiro-chan and Norio]]. ''God. Damn. You. Kitoh.''
* And of course, [[DownerEnding the manga ending is incredibly depressing]]. Shiina started out so cheerful and naive, and by the end, [[spoiler: [[BreakTheCutie after watching everyone she ever loved die horribly and finding out that people want her DEAD]], Shiina's the one who [[KillEmAll eradicates humanity]] so Earth can [[AdamAndEvePlot start over with a clean slate]].]]
* Mamiko showing Shiina the picture she drew in the first chapter.
* This little bit of internal monologue Akira has after [[spoiler:being gravely injured by shrapnel.]] Especially sad given what [[DrivenToSuicide happens to her]] in the following chapter.
-->In the end, I was never able to fly again.