THIS IS AN MANGA ONLY DISCUSSION POST. DO NOT DISCUSS ANYTHING BEYOND THIS CHAPTER.
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A good portion of humour mixed with a portion of sadness - this is Nana for me.
It surprises and it hurts how people themselves are afraid of happiness, like Nana Osaki. Is it because she's afraid to loose precious people, like she has lost her mom once? =(
Otherway, Hachi possesses an ability to enjoy life, overcoming troubles with an open smile. This is where her strength lies. This is how she can make other people stronger.