1boy, alcohol, alternate eye color, alternate hair color, arm tattoo, artist name, black shirt, black vest, cocktail glass, cocktail shaker, collared shirt, cup, dress shirt, drinking glass, grey hair, holding, holding cup, long sleeves, male focus, multicolored hair, open mouth, parted bangs, pouring, red eyes, red hair, shirt, short hair, simple background, sleeves rolled up, smile, solo, streaked hair, tattoo, teeth, vest, white background, wing collar