"Break my heart and you will find yourself inside, my little one." A bond forged in childhood, a promise sealed with innocence. Jungkook and Y/n, inseparable friends, vow to marry each other if they don't find their love interests. Years later, the day of their union dawns, casting a spell of anticipation. But as the final vows are exchanged, a shocking twist shatters their beautifully created world. "How can it be that my memories are more alive than I am?" . . . . . . . . . . His Little One ©MUSING-SELENE