Ai-Ren (Manga)/Heartwarming

For a post-apocalyptic Manga series featuring the last days of humanity, Ai-Ren contains a surprisingly amount of Heartwarming Moments, to the point where you can call this a Crowning Manga of Heartwarming.

Several of these Heartwarming Moments are the following...


 * Nearly all of Ikuru and Ai's "moments" together qualify for this trope.
 * "It's okay. Ai is still here." Then the scene with the tomato plant right after.
 * The whole of Chapter 35.5.
 * The Enfante Terrible Ikuru carries outside the dome. He cries...
 * Chapter 43: