Mina feels has expel the most sad part of her story. So there her duty to write poems come to the end.

But reality say otherwise, here is she with lonely bustle. She's here, still at the same place. In a point before comma. 

Longing can be so mean, with an impolite distance. But here, Mina and Nayeon don't have any distance, but they have a fear to meet each other.

There is a lonesome there, between a spoonful of coffee. And the time she has finished stirring it, there is a longing in her cup of coffee. 

Flashback
"By the way, my name is Mina, I lived in number 2205" said Mina to change the topic. 
"My name is Nayeon and this is my unit," said Nayeon before grasping Mina's hand.
Then Mina entered Nayeon's unit, there Mina has a chance to looking into the blind girl unit.
*****
After long talk and sniff with Nayeon, she came back to her unit. And wrote down something important. 

"Three ways to be happy:
1. Stick to Nayeon at least 24 hours a day.
2. Tease or annoy Nayeon.
3. Loves Nayeon with all your heart."
Flashback end

Yes as simple as that to be happy for Mina. But here, Mina leaves Nayeon. 

The old rain falls anxiously come again today. Perhaps it want to say hello to Mina. Oe just want to passing by and looking for Mina faintheartedly Mina grieved again. 

Yes, Mina is sad now. Not because the old rain came. But because wet memories embraced by the rain. The lost memorie