Mahokaru Numata: 1 book

A young  man makes a shocking discovery while visiting his parents’ home. Along with a purse and a lock of hair that may have belonged to his recently deceased mother, Ryosuke finds three journals with notes that seem to be the confessions of a murderer. Now, he has to figure out what’s fact, what’s fiction...and who are these people he’s called “Mom” and “Dad.”