Evergreen

"When you lose your best friend, you are like a tree that has shed its leaves, but when you regain it, you are EVERGREEN..."

N, who has an ordinary boring life, one day gets a strange object left by her old friend A.
But the object is not an ordinary thing for her.
That object introduces her to a fantastical world that she never knew or saw.
N goes on an adventure in this fantastical world with unexpected people...