Based on novel "Double Fantasy" by Yuka Murayama (first published January 12, 2009 by Bungeishunju). Novel won the "The 4th Chuokoron Literary Prize," "16th Shimase Renai Literary Prize" and the "22th Shibata Renzaburo Award."
"Double Fantasy" takes over WOWOW's Saturday 22:00 time slot previously occupied by "Partner in Darkness 2" and followed by "Eerie" on August 4, 2018.