Hyakunenme no Kikyo is a work of nonfiction tracing the lives of Sadaharu Oh and his father, Shifuku Oh. It follows the family's memories and the questions of nationality and homeland that shaped their lives in postwar East Asia, beginning with a journey to Shifuku's birthplace in mainland China.

Following a father's message that was never meant to reach its destination, the book traces a family's story across a century.

This nonfiction work follows Vatican-authorized exorcists in Italy, examining the rite of exorcism and the faith, suffering, and social role behind it. Through first-hand accounts and on-site reporting, it revisits figures often reduced to sensational images.

A reported account of a world where prayer and suffering meet, seen through ritual settings and personal testimony.