Sun Sets over East China Sea

Xu Yichen was originally the adopted son of Xu Fu, an alchemist of the Qin Dynasty. When he was traveling eastwards with him, he accidentally fell into the East China Sea due to a strange phenomenon in the sea, and thus fell into the state of returning to ruins. After taking control of Akagi, he traveled back and forth between Guixu Jiuzhou and made many friends, but he himself was deeply involved in the mystery of whether a man can love two women at the same time. As time goes by, he gradually discovers that the ruins of the East China Sea are actually connected to many places in the world, and his adoptive father Xu Fu, who traveled eastward across the ocean, is still alive hundreds of years later. It seems that a huge conspiracy is brewing...