A book cover with ((two main characters, Seo-Jun y Tae-Joon)

a book cover with ((two main characters, Seo-Jun y Tae-Joon)), Criminal organization, negotiator, Escape, Sister, Strain, Seo-jun (boy of average height, slim but athletic build, He has a kind and calm face, with warm eyes and a soft smile, wear glasses with thin frames), Tae-joon (A man of elegant bearing and imposing presence, stomach 1.85m and has an athletic body, His face is angular, with refined features and penetrating eyes, he doesn't wear glasses), artwork, Best Quality, image of the city in twilight, with gray and black tones predominating, backlit, Their faces partially hidden, suggesting mystery, flashes of light highlighting specific features (eyes and lips), plays with shadows and contrasts, wine.