Ten Years Series. Old Letters|Net King Echizen fanfic|
-CP: Echizen Ryoma × Morikawa Rie
-BGM:[Flower]-Kana Nishino/[Lost-]-Saya
-Text: An old letter from ten years ago in a wooden box.
The rich colors of Echizen's wanton and splendid youth.
-First release: personal post bar.