Love Hina/Tear Jerker


 * Love Hina: Christmas Special. This troper can't help it. After an entire series of Keitaro's ass getting kicked,  gets 'em flowing every time.
 * It comes full circle in the Spring Special wherein Naru's sister congratulates Naru for making it into Tokyo U. Even she can't hold back the tears.
 * And in the TV series, the story of Moe the automaton  provides a surprisingly emotional diversion in a normally lighthearted story. The scene that plays out to Yui Horie's "Yakusoku" song in episode 24 qualifies too.