Yousei no Oshiri

Overview

"Fascinated by the dangerous ass." The novelist So Ikoshi met Kiran, a dark-skinned young man with a nice buttocks, on a overseas trip. Coincidentally, it turned out that Kiran were a magnificent fan, and the two excited went to bed... Kiran, who repeats the jargon of sensual novels, was put on a magnificent night and spent a hot night. The next morning, for some reason, the idea of ​​the novel is steadily boiling, but there is a secret in Kiran...? (Source: Comic Marginal, translated)

Source: AniList