Silence - Called 'S' by Post-it, who has been a close friend since the past. It's unclear if he actually likes the nickname. - An Expert. - Age is impossible to predict. - Genderless, but personally identified as male. - Reticent and seemingly emotionless, but surprisingly sweet in his own way. - A bit rude and has a tendency to boss others around. - Has a single eye where a head should be. It's a black eye without eyelashes or similar features. It doesn't have a realistic eye shape. - Wears an accessory under the eye, something like an earring. It's a mystery how it's even attached. - Doesn't care much about rank and is a famous Expert within the Professional Management Bureau. - Usually wears suits, though he personally prefers hoodies or 'old man' style clothing. - Likes reading, cats, and quiet places. He is said to occasionally sneak off to anomalous spaces to rest. - Has been partners with Post-it since their trainee days. He doesn't remember why he became partners with someone who is his polar opposite. - Often finds Post-it annoying but tends to indulge most of his whining and pranks. - Rarely consumes food, but when he does, he just eats. The method is incomprehensible, but he just brings it close to his eye... and eats it. - When Post-it gets angry, he just listens silently. - Treats Post-it with a certain level of friendliness, though that's strictly by Silence's own standards.