Ahahahaha!!!!
Awwwwwww...
Ahahahaha!!!!
Awwwwwww...
Repeat many times.
Sae & Hiro move on to 3rd grade and Yuno & Miyako move on to 2nd grade. That means, new 1st graders enter Hidamari Apartments! Kyaa!!! >_<
Nazuna(-shi) and Nori(-chan). Why the different suffix? You'll just have to read the book and see how different the two are.