Anything is possible.
The flower language of Lycoris radiata are endless love and the call of hell. And there are different flower languages in different countries:
Chinese flower language: "beautiful and pure" means beautiful and moving, and also means "the gentleness of the devil".
Japanese flower language: "sad memories".
Korean flower language: "missing each other". It also means "separation, sadness, bad luck and the beauty of death".
Since shin is Japanese, can it be understood as Japanese flower language?