I've read this book once. Please purchase it if you understand. - Title: 13-gatsu no Karenda (Calendar of the 13th Month) - Author: Makoto Usami - ISBN: 9784087700091 - Published: July 30, 2020, First Edition Thank you for looking. #13-gatsu no Karenda#13-gatsu no Karenda#Makoto Usami#Usami#Hiroshima#Atomic Bomb#Hibakusha (A-bomb survivors)#Hibaku (being bombed)