Dangerously, Sacredly, Perfectly: A Birthday Present

※ This work contains elements that may be polarizing, including incest (blood-related), intense dirty talk, high-level profanity, pussy-shaming/vulgar genital references, 6P, humiliation play, and golden shower. Please be cautious when reading. Hee-hyun is lewd and loves erotic things. He loved things that were filthy, gloomy, dirty, and rough fucking. In a state of heat, Hee-hyun masturbates in secret from his family as always, but he harbors one most important secret. Imagining himself entwined erotically with his twin brother, Hee-je, who was born just one minute after him. Being in heat for him. Whether he knows this fact or not, Hee-je prepares a 'special' gift to celebrate Hee-h...