Summoned Miko Who Borrows the Power of a God from Another World

Homare and Ango are about to enter university. While taking a bath, they are summoned to another world. It is a world where "those with black hair and eyes" are shunned as a symbol of demons. Because they were completely naked, they were labeled an enemy and a "succubus." Without knowing why, they nearly died, and had sex. This is the first time he has used his power as a Miko, but... To use the power of the Miko, the "bodily fluids" of a person with high magical power are essential!? The quickest way is to have sex, so does that mean you have to be embraced multiple times? A reverse harem BL story about two protagonists transported to another world!