San and Mayu attend an all-girls school on a warm and tranquil island. When war reaches their shores, they are ordered to help nurse the wounded in a military hospital hidden away in a cave. Amidst escalating death and brutality, the friends struggle to find solace in their fragile lives.

• Sasayuri
• NHK Enterprises
• Marika Ito
• Hikari Mitsushima
• Yoko Hikasa
• Rena Motomura
• Chinatsu Akasaki
• Aoi Koga
• Yume Miyamoto
• Izumi Aoyagi