(Winner of the Sakura Blossoms Contest 2023) When Hina went to Japan just in time for Spring, a strange dream of a young handsome guy connected her to the cherry blossom tree near her apartment. Every time she sleeps near her window, when she wakes up she finds herself under the pink-colored tree with Sakura blooms. But what she surprisingly finds there is a long-lost koibumi (a love letter). What is the connection between her dream, the cherry blossom tree, and the old-inked koibumi?