Deze student wil niets liever dan een rustig leven. Dus als ze herboren wordt als Yumiella, de verborgen slechterik van een Otome RPG, is ze niet bepaald blij. Nog steeds verlangend naar vrede, geeft ze haar kwade plichten op om een discreter leven te leiden. Tot haar gamerkant in actie komt en ze per ongeluk level 99 bereikt! Nu vermoedt iedereen dat zij de beruchte Demon Lord is.
悪役令嬢レベル99～私は裏ボスですが魔王ではありません～ kun je nu online kijken op de onderstaande streaming platforms.
| Writing | Satori Tanabata | Novel |
| Visual Effects | Tea | Character Designer |
| Sound | Fairouz Ai | Theme Song Performance |
| Sound | 日高里菜 | Theme Song Performance |
| Sound | 前島麻由 | Theme Song Performance |
| Directing | 山岡実 | Series Director |
| Writing | 志茂文彦 | Series Composition |
| Visual Effects | 海保仁美 | Character Designer |
| Visual Effects | 김로호 | Character Designer |
| Sound | うたたね歌菜 | Original Music Composer |
| Sound | 和田俊也 | Sound Effects |
| Editing | 小野寺絵美 | Editor |
| Visual Effects | 藤井瞳 | Color Designer |
| Art | 荒井和浩 | Art Direction |
| Sound | 明田川仁 | Sound Director |
| Art | 白﨑詩織 | Prop Designer |
| Camera | 韓國主 | Director of Photography |
| Sound | 竹山沙織 | Music Producer |
| Sound | 若林豪 | Music Director |
| Sound | 水鳥智栄子 | Music Director |
| Production | 田中翔 | Executive Producer |
| Production | 佐野圭介 | Executive Producer |
| Production | 大和田智之 | Executive Producer |
| Production | 金子広孝 | Executive Producer |
| Production | 根本侑果 | Producer |
| Production | 鎌田肇 | Producer |
| Production | 飯塚彩 | Producer |
| Production | 東真央 | Producer |
| Production | 和田卓治 | Producer |
| Production | 中村昭子 | Executive Producer |
| Production | 野﨑智子 | Executive Producer |
| Production | 荒川友希子 | Producer |
| Production | 松本佳奈子 | Producer |
