If the Way of Heaven won't work, then what about the Way of Ghosts?
Kind "fatherly" gong X short-tempered "Demon King" shou
Shen Xiu accidentally gets bound to a System and transmigrates into a book to complete a mission. He's always thought he likes the heroine, and everyone else thinks so too. But after going through some things, he realizes that he has actually fallen for a man. It takes him a while to figure it out, but that's how he ends up gay...