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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 time you hear this, I guess 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 victim  to betrayal while climbing up the tower. After learning the truth,  Yeon-woo decided to climb the tower along with his brother’s diary.
    “From now on, I am Jeong-woo Cha.”