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The song was created by Block B's Zico on 'Talent for Sale', after Se Jung read a letter dedicated to her mother to the cast members. The song transfers Se Jung's love and gratitude toward her mom right into its lyrics, and contains words of thanks for a mom who was a firm foundation of support for Se Jung growing up, as well as Se Jung's promise to let her mom walk only on "Flower Road"s from now on. 

It's a beautiful song and MV full of healing, so find peace and comfort by watching above!