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Top 10 Harem Anime where MC is Overpowered but Pretends to be Weak until Revealing His Power - BiliBili

25 Best Harem Anime With OP MC - OtakuHarbor

I'm The Only One With Unfavorable Skills, Isekai Summoning Rebellion (Manga) - TV Tropes

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For me these are the sign that an isekai manga would be bad : r/Isekai

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Top 15 Manga & Anime Like Farming Life in Another World » Anime India

16th lesser seen manga recommendation. Risou no Himo Seikatsu. Short summary in comments. TLDR, isekai with a lot of political stuff, not typical OP MC with harem and dense as all hell.