Please don't list this on a work's page as a trope. Examples can go on the work's YMMV tab.
Tear Jerker: Irresponsible Captain Tylor
Yeah, even this super funny series has one. And it's fairly big, since it features the death of the twins's father, Admiral Hanner. The reaction of Tylor and the twins when they find out are not only surprisingly realistic, but so damn sad!
