Set in the same timeline as Sin: Nanatsu no Taizai, Nanatsu no Bitoku follows a group of angels sent from Heaven to look for a potential “Savior” to counter-attack the demonic influence being spread by Lucifer and the other emissaries of Hell.
Nanatsu no Bitoku, The Seven Heavenly Virtues, 七つの美徳, 七美德, 일곱개의 미덕, Семь небесных добродетелей