Read manga: Ookami Koushaku No Kyuukon

manga
Other name: 狼公爵の求婚
Artists: AYUMURA Yuki
Status: ongoing
Latest chapter: Vol.1 Chapter 1
Updated at: Aug 25, 2019
Summary:

Sister Nina appeared before the Demon Lord Edgar and request that he eat her as a sacrifice. With anger he simply replied with, "I don't eat humans".