Long Aotian Blackened, Ending BL

Sharing a serialized novel: "The Pure-Hearted Straight Guy Plays a Side Character Gong in an R-Rated Story," synopsis below, here is the novel's synopsis: Sensitive, paranoid, dramatic Long Aotian x Gentle, soft, naive beauty shizun Xie Wang transmigrated into a book. Thinking it was a typical male-oriented novel from a certain site, he quickly embraced his new identity as a Long Aotian. He even picked a great beauty as his shizun, making life nothing short of colorful. But after spending a long time with him, he gradually felt something was off. First, his eyes were acting up, "Why is this part of you so white, tender, and dewy? Were you born just to seduce me?" Then his sense of smell...