What feelings did the agreement under the cherry blossom tree express?

This song expresses a deep and romantic feeling.

1, romantic love and pure memory: The song depicts a beautiful encounter under the cherry tree, where the hero and heroine meet and fall in love, and the cherry tree becomes the place where love begins and a symbol of their emotional sustenance. The agreement under the cherry blossom tree represents the pure feelings between the two people and the expectation of future reunion.

2. Separation and commitment under force majeure: The lovers in the song can't be together for a while for various reasons, but they still make a firm agreement under the cherry tree. This agreement is full of persistence and persistence in love. Even in the face of difficulties and parting, they still firmly believe that one day they can fulfill their promises and get together again.