masterpiece, best quality, very aesthetic, absurdres, 1boy, sitting, upper body, birthday cake, happy birthday, cat boy, male, lynx cat, lynx tail, lynx ears, long hair, wavy hair, gray hair, ponytail, blue eyes, sharp fangs, proportional masculine body, natural posture, oval face, soft facial features, straight nose, bishounen, blue vest, dress shirt, [dress pants], long cape, fur-trimmed cape