She is an indelible mark in Rin's youth.
Rin is just a passing person in her world.
This is an imaginary world, please substitute it into reality.
(You may see a familiar figure among them, but I love her so much and feel that she has a similar connection with the protagonist of this article, so I let her appear in the article in the form of a letter. Don't scold her, thank you)
Intention: There are so many shelters, don't stand still in the rain