* Hikaru saying "Mommy" for the first time.
* When Masato is transfered to a job where he was basically waiting to be fired, but used his extra time to help disabled children (specifically autistic kids) because he wants to make Hikaru's life easier. D'awwwwwwwww.
* Aoki-sensei's wedding most definitely counts: Aoki ''himself'' was reduced to tears when his students performed the Mouse March. Then, ''he joined them''.
* Kanon standing up to the kids who make fun of her and Hikaru. A true sibling standing up for her brother.
* When Hikaru saw his mother crying after realizing he will not be 'normal', he gave Sachiko a few wildflowers that snapped her out of her despair.
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