Ghost! I Was Killed by Hundreds of Ghosts

My horoscope is pure yang, and I am destined to be an emperor, but I am missing an element of energy, which causes the yang energy to leak out... In order to save me from being killed by hundreds of ghosts, my grandfather built a red coffin for me, and I slept in the coffin for nine years... Nine years later, hundreds of ghosts will come again. Grandpa wants to match me with a ghost and find a powerful ghost wife to save me, but no ghost dares to respond... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.