A peculiar bond forms when orphaned siblings encounter an elderly woman who claims to be their grandmother, but in reality, she is a supreme master from Murim, suffering from memory loss due to an illness. Recognizing the latent talent in the eldest sibling, the woman takes him under her wing, thus commencing the journey of the last disciple of Jinmu Shinmo. The destined boy to reach the end of the sky. Original Novel Original Webtoon