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Tear Jerker: Ouran High School Host Club
Tamaki's back story in Ouran High School Host Club about him being forbidden to see his mother due to his grandmother's meddling. Made that much more of a Tear Jerker by the fact that Tamaki not only doesn't resent his grandmother for her horrible treatment of him and his mother, he is honestly happy to see her and calls her a "beautiful person." Aw, punkin.
As well as Haruhi's Mother turning out to be the "queen" in the Haruhi in Wonderland episode. Considering how it was handled in the comic, this episode was quite an unexpected tear jerker.
Recent chapters of the manga have pushed Tamaki's woobieness past the breaking point (though he'd deny it for his friends' sake), not to mention his superiors doing something that was in the finale of the anime: Putting a stop to the Host Club.
I found Kaoru's metaphor about Tamaki keeping the Host Club as a family fairly heart-wrenching.
Kyouya getting slapped by his father. He tries so hard, and the one thing that gives him pleasure is thrown in his face as a failure.
That one manga chapter page with all the chibi hosts building a house out of blocks was the sweetest thing ever. Combination Heartwarming and Tearjerking.
"Hey Hikaru, she says she'll take you instead!" The pain in their voices... It hits a bit harder the second time around.
