Aku no Taizai: Nemurase Hime kara no Okurimono
悪ノ大罪 眠らせ姫からの贈り物
"For the sake of your happiness."
Based on the song posted by mothy on Nico Nico Douga in May, 2011. The song with the theme of "Sloth" in the Seven Deadly Sins Series, it tells the story of Margarita Blankenheim: a girl who created a peaceful Gift for the troubled people.