The era of rebirth after the earth restarts.
The male protagonist's parents have separated since he was born, but he himself has the memory of the previous human civilization.
The plot revolves around the male protagonist's search for clues about his mother, and why and how he possesses ancient memories.
In the process, he meets the heroine and unfolds a tender emotional story; he enters Kyoto, goes deep into the officialdom, and fights for power among various factions; he discovers various secrets of the imperial court and how his ancient memories come from; he gathers his own strength to smash a long-planned conspiracy...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.