Akie, Fujieda's reunited lover, has been diagnosed with terminal pancreatic cancer. Kyoka, suffering from early-onset Alzheimer's disease, struggles to retain her mind amid fears of losing her memory. Their problems provide an unlikely window to the Twelfth Apostle for both Shizuku and Tomine...
Tadashi Agi, 亜樹直, is the penname of Yuko and Shin Kibayashi, a sister and brother team of Japanese manga storywriters. Shin Kibayashi also uses the pseudonyms Seimaru Amagi and Yuya Aoki.