The Oil Seller's Butthole Is Slippery

Heo Yoon is a humble oil seller, peddling his wares when he catches the eye of Gu Hyeonyoung, the scandalous youngest son of a noble lord. Hyeonyoung follows after Yoon and tries to seduce him multiple times, but the muscular Yoon is as innocent as he is brawny. Will Hyeonyoung successfully ensnare Yoon and have his way with him, or will Yoon's earnest character thwart him yet again?

(Source: Lezhin Entertainment)