Hiroshi Seko wrote the scripts, Tadashi Hiramatsu designed the characters, and Hiroaki Tsutsumi, Yoshimasa Terui, and Alisa Okehazama composed the music.
[7] Crunchyroll has released language dubs for the series in English, Spanish, Portuguese, French, German, and Italian, in addition to a Russian voice-over stream that premiered on November 20, 2020.
[13] Shōta Goshozono replaced Sunghoo Park as series director, with Sayaka Koiso and Hiramatsu designing the characters and Terui returning as the sole composer.
[15] It ran for two continuous cours and adapted the manga's "Hidden Inventory / Premature Death" and "Shibuya Incident" story arcs.
[16] After the second season's finale, a sequel covering the manga's "Culling Game" story arc was announced.