Yeon-woo had a twin brother who disappeared five years ago One day, a pocket watch left by his brother returned to his possession Inside, he found a hidden diary in which was recorded “By the tiuess I will be already dead…”Obelisk, the Tower of the Sun God, a world where several universes and dimensions intersect In this world, his brother had fallen victi the truth, Yeon-woo decided to cli with his brother’s diary“Fro-woo Cha”