Ideal ending to me. Kashiwai and Tsuzuki do have fell for each other, and this relationship would be an adorable slice of their memory they can pick up whenever.
Some people just cannot share the whole life with you, but the beautiful moment the one brought up would remain to be a treasure in the last of our life.
Agreed. And the symbol with the Iberis flowers really tie everything together.
This ended up being pretty good, as expected from the author of Octave.