Aku no Taizai: Nemurase Hime kara no Okurimono
悪ノ大罪 眠らせ姫からの贈り物
The third book in the series centers on a character named Margarita Blankenheim, who develops a peaceful Gift intended for those in distress. The story is inspired by a song titled "For the sake of your happiness," uploaded by mothy on Nico Nico Douga in May 2011. That song is part of the Seven Deadly Sins series and focuses on the theme of Sloth.
