Heartwarming: Junji Ito
- Ito Junji no Neko Nikki. Although it's actually more of a funny manga, it has some heartwarming moments too. Find the manga and see for yourself; describing the moments might prompt a "I CAN'T BELIEVE IT" bit.
- Mr. J (Ito) gradually warming up to Yon, and Yon reciprocating, is particularly heartwarming.