 If you liked
NHK ni Youkoso!
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 ...then you might like
Nogizaka Haruka no Himitsu
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I think you will like one of this anime if you have seen one of them. In NHK the girl help the boy and in Nogizaka Haruka no Himitsu the boy help the girl, which is similar. Both also have Otakus culture or w/e it calls inside the anime. I also think their relationship is similar because all four of them is quite dense about their true love.
NHK is little darker than Nogizaka Haruka no Himitsu and have little more older characters so I like NHK little more.