Double Trouble (Yaoi manga)

What would you do if you were attracted to one of your in-laws? Koh’s dilemma is his fiery attraction towards his bother-in-law Naruki, and he spends his days restraining the dangerous passion that screams for Naruki’s embrace… One day Naruki is unexpectedly transformed into a strong-willed seme. Until now Koh wanted to be the aggressor in this budding relationship, but will Naruki’s transformation give him the upper hand?