12 year old boy Hiruka Sakai is a very curious person and when he found out that 98% of the worlds population was gone 400 years ago, he really was thinking about finding the unknown man who did it. while Hiruka is looking for this unknown man, he has to go through some other things like helping out friends, becoming a threat to society to gain recognition from the unknown man, and getting more powerful. While Hiruka is on his journey, he finds some disturbing, traumatizing things that he can't even explain. This book is all about mysteries, and plot twists. Enjoy reading Buried With Secrets!