Recently a Japanese TV program highlighted an interesting bit of historical trivia: The most common type of revenge killing in the Edo period was between gay lovers. It’s a statistic that shocked many viewers in modern Japan, but there is ample evidence to support that a whole lot of gay sex was going on in the country from between 1400 and 1900.

It was at first a playful fancy of the ruling classes but then grew into a cold yet efficiently run military system of battlefield man-pleasuring. However, as we can see from the previously mentioned little factoid, once guys start letting emotions get involved, the whole thing starts to fall apart.

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