Title: Helck Broadcast year: July-December 2023 Original work: Nanao Nanaki Produced by Satellite Director: Sato Tatsuo Amazon Kindle Original comic https://amzn.to/4eB1tIb Anime Prime Video https://amzn.to/4nxWpbw ・Borrowed site VOICEVOX: Zundamon Standing picture material: Sakamoto Duck Niconico Commons DOVA-SYNDROME Sound Effect Lab