 If you liked
Orenchi ni Kita Onna Kishi to Inakagurashi suru Koto ni Natta Ken
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 ...then you might like
Kimi no Okaasan wo Boku ni Kudasai!
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Both are pretty straightforward romance stories with minimal lewdness and a wholesome outcome.
The themes could not be more different, but the story progression is very similar.
In addition, they are both relatively fast-paced. Kimi no Okaa-san is a very short read in particular.