Legend has it that there is a kind of butterfly called blue butterfly.
Legend has it that Blue Butterfly comes to bless all lovers.
According to legend, blue butterflies possess lovers who cannot finally get married.
Legend has it that if you are possessed by a blue butterfly, you can find your lover in your previous life and end your regrets in your previous life.
Legend has it that if you get the blessing of a blue butterfly, you can stay with your lover forever.