Aku no Meshitsukai (悪ノ召使, The Servant of Evil) is a song by mothy featuring Kagamine Len as Allen Avadonia. This song was added as part of Project SEKAI × Aku no Taizai Series collaboration, and was the second song added as part of the event.
- Producer:Kagamine Len,VIRTUAL SINGER
- Release Date:January 26, 2023
