Oniisama e.../Heartwarming

As much as there tear jerking moments in this series, there's also plenty of heartwarming moments as well. Here are some:

"Rei: I would close my eyes, and when I opened them, it felt like you were there. On days when I couldn't see you, it was as though that precious, half-remembered phrase was buried in the depths of my heart all day. That phrase was so precious to me, and yet... It was what my mother and I would say to each other every morning. I just remembered..."Good morning!"."
 * Seeing tearfully apologize for their coldness towards her when she asked them for help, and in the finale, they're all laughing together again.
 * This line spoke by Kaoru, in the manga: "The weight of an instant, how much we cherish each moment...That's no different for me than it is for you!"
 * Rei asking Nanako
 * In between all of the drama surrounding, in the anime we get a small breather in regards to
 * Episode 37, in which  And in the end,
 * Mariko's Cry Cute moment after it's shown how worried she was for Kaoru after  Kaoru then realizes it and thanks Mariko for her support.
 * Also, when in chapter 17 of the manga
 * From the manga, Rei says this after Nanako reaffirms her feelings for her, and they kiss in the rain. Turns into an instant Tear Jerker when