
An elderly inmate serving a life sentence awaits a lonely death in his solitary cell—until a voice calls out to him. It belongs to a balsam flower, Housenka, that speaks like a human. Through their "conversation", the old man begins to reflect on the life he's led.
Cast

Kaoru Kobayashi
Akutsu (1986) (voice)

Junki Tozuka
Akutsu (2023) (voice)

Hikari Mitsushima
Nana Nagata (younger) (voice)

Yoshiko Miyazaki
Nana Nagata (older) (voice)

Pierre Taki
Housenka (voice)

Hideaki Murata
Hayashida (voice)

Hiroki Yasumoto
Tsutsumi (voice)

Soma Saito
Wakamatsu (voice)
Kouta Nakayama
Konishi (voice)

Natsuki Hanae
Kensuke (voice)
Crew

Baku Kinoshita
Director
Kazuya Konomoto
Screenplay
Yoshiki Ushiroda
Editor
Takumi Hoshina
Director of Photography
Takahiro Hondai
Director of Photography
Ryoichiro Matsuo
Producer
Kinue Ito
Producer
Yuji Hosogoe
Animation Director
Kazuya Miyoshi
Animation Director
Hidekazu Shimamura
Animation Director
Hidetsugu Ito
Key Animation, Prop Designer

Fumie Muroi
Key Animation
Shigeru Kimishima
Key Animation
Maiko Murase
Key Animation
Koji Kasamatsu
Sound Director
cero
Original Music Composer
Shohei Takagi
Music
Yu Arauchi
Music
Tsubasa Hashi
Music

Yoji Shimizu
Recording Supervision
Haruko Nobori
Color Designer
Ayumi Sato
Art Direction
Michinoku-Toge
Concept Artist