Description

Yeonwoo's brother vanished years ago, and learning of his death leaves him shattered. But when a mysterious pocket watch falls into his hands, the truth emerges: his brother was betrayed while climbing the Tower of the Sun God. Armed with his brother's knowledge and operating under the alias Cain, Yeonwoo enters the tower himself, determined to grow strong enough to reach its peak and take down everyone responsible for his brother's demise.