Clockwork Lullaby version: A version with new vocals and instrumentals featured on Clockwork Lullaby. It was later uploaded with an updated version of the original PV to YouTube on August 21, 2020.
Albums
悪ノ王国aku NO oukoku Evils Kingdom悪徳のジャッジメント~a court of greed~akutoku no JAJJIMENTO ~a court of greed~ Judgment of Corruption ~a court of greed~EVILS COURT原罪物語 ―完全版―genzai monogatari —kanzen-ban— Original Sin Story ―Complete Edition―ぜんまい仕掛けの子守唄zenmaijikake no komoriuta Clockwork Lullaby
The niconico upload is described as "A ghastly murder case ocurred in the forest. One year later, the 'Eternal Sorceress' visited the guardian of the forest, 'Held'. That event was the beginning of the sorceress' lengthy story."
mothy's official playlist lists the song as occuring in EC 015 and describes it as "The outbreak of 'the Seven Deadly Sins'."