Akuma-kun Series

One of Saki Hiwatari's early works. Vol 1: Akuma-kun ni Onegai (アクマくんにお願い) Vol 2: Akuma-kun Boku wa Tenshi ni Naritai (アクマくんぼくは天使になりたい) Vol 3: Akuma-kun Black Minion (アクマくんブラック・ミニオン) Vol 4-7: Akuma-kun Magic Bitter (アクマくん魔法★BITTER)