The South Korean television network that airs BBC's Sherlock advertises the show with trailers that pretty much depict it as a love story between Sherlock Holmes and John Watson.
I mean, look at this trailer for Season 1:
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LISTEN to the background music in this other Season 1 trailer:
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Observe how the Season 2 trailer ignores basic plot elements and focuses on Sherlock/John angst:
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In conclusion, it's pretty obvious who South Korea's OTP is.
