Based on the novel's tags which has 200chapters translated so far there is no romance but the translation is still halfway through so there is a slight chance for the late romance/romance subplot.
I am pretty sure there will be no romance (the novel has more than 1000+ chapter and there isn't any romance or signs of it) nor late or subplot romance
Dropped around ch60. Potential love interest appeared (and as I read a comment there will be one more...).
The MC spend some nights with womens but mostly for information. Based on the novel's comments there will be no romance nor harem.
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If anyone has any good recommendations, please drop them in the comments. Thanks (=・ω・=)