The Big ImageBoard (TBIB) - 2020 4 fingers animal humanoid arched back arms tied arthropod arthropod humanoid bdsm black body black eyes black skin blush blush lines bodily fluids bondage bound cum cum on body cum on face cum on penis cum on self digital drawing (artwork) digital media (artwork) dominant dominant male duo erection fangs fingers genital fluids genitals glistening glistening body glistening skin gradient background grimm child half-length portrait hand on head hands behind back hollow knight horn humanoid insect insect humanoid kneeling kurogin (artist) leaning leaning back long horn looking at another looking at partner looking down looking up male male/male mouthless multicolored body multicolored skin muzzle (object) muzzled nude penis portrait pose protagonist (hollow knight) purple background red body red eyes red horn red skin red tail restraints rope rope bondage segmented body segmented tail sharp horn side view simple background skinny skinny humanoid slim slim humanoid small waist smile standing submissive submissive male sweat tail team cherry teeth three-quarter portrait two tone body two tone skin vessel (species) white body white face white head white horn white skin wrists tied