It is distributed by Infinity Studios in the United States and serialized in the weekly manhwa magazine IQ Jump Comics.

The story takes place in the mid 7th century, predominantly in Tang China and Goguryeo.

Where Yhun Oh-Rhang is sent to find his eldest Hyung (brother), Pa Goon-Sung who disappeared after leaving for training in China years ago.

It follows the descendants of Sashinmu and the daughters of two protagonists from Cheollang Yeoljeon.

She was poisoned with Sub-Hyang-Han or Cold Leaf Fragrance that drained one of their internal energy and subsequently murdered.