 If you liked
Shinmai Maou no Testament
|
 ...then you might like
Isekai Maou to Shoukan Shoujo no Dorei Majutsu
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Overpowered demon lewds, eh, lords enter the scene and form a harem. Those are borderline hentai and you should watch them. "Shinmai Maou no Testament" is more serious, like "High School DxD", while "Isekai Maou to Shoukan Shoujo no Dorei Majutsu" is more about the comedy, just like "Kono Subarashii Sekai ni Shukufuku wo!".