Production Companies: Amuse Soft Entertainment , TOHO , Shirogumi , Robot Communications , AMUSE , dentsu , Shuji Abe Office , J Storm , Ohta Publishing , Kodansha , Futabasha , The Asahi Shimbun , NIKKEI , KDDI , Tokyo FM , Nippan Group Holdings , GYAO , Chunichi Shimbun , THE NISHINIPPON SHIMBUN .
Overview: A brother and sister learn their biological grandfather was a kamikaze pilot who died during World War II. During their research into his life, they get conflicting accounts from his former comrades about his character and how he joined his squadron.
, TOHO 
, Shirogumi 
, Robot Communications 
, AMUSE 
, dentsu 
, Shuji Abe Office , J Storm 
, Ohta Publishing , Kodansha 
, Futabasha 
, The Asahi Shimbun 
, NIKKEI 
, KDDI 
, Tokyo FM 
, Nippan Group Holdings 
, GYAO 
, Chunichi Shimbun 
, THE NISHINIPPON SHIMBUN 
.
