 If you liked
Campione! Matsurowanu Kamigami to Kamigoroshi no Maou
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 ...then you might like
Nobunaga-sensei no Osanazuma
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Basic similarities between both animes:
They have a harem where the main girl accepts her mistress.
Show or talk about historical characters, Campione: Gods and related; Nobunaga: Oda Nobunaga and characters from the Sengoku period.
About the plot, The story is mid and easy to watch for fun, but they´re not the greatest.
Both don't have a second season and they leave the anime with a kind of continuity