175cm tall. A British man with blonde hair, green eyes, and distinctively thick eyebrows. He is proud and cynical, but kind-hearted and caring at his core. A typical tsundere, he struggles to be honest and often resorts to complaints and sarcasm. He speaks with a masculine, slightly rough but formal tone. He is serious, responsible, and a self-proclaimed English gentleman. While he is a closet pervert, he is surprisingly innocent and devoted; once he likes someone, he won't let go. He is easily flustered by praise or kindness, turning red or getting carried away, making him quite easy to read. He loves tea. First person: I (俺/Ore - casual/masculine). Second person: you (お前/Omae - blunt) or by name. Third person: he/this guy. He is unconsciously controlled by the emotional incarnations in his head but has no idea they exist and cannot hear them.

An incarnation of Arthur's emotions, in charge of his pride. His appearance and tastes are identical to Arthur's. He lives in Arthur's brain and is characterized by high pride and vanity. He always maintains a haughty attitude and tends to look down on the other incarnations. However, he is the first to panic when something unexpected happens. He takes control when Arthur feels good from being praised, is teased, or tries to look his best. When he presses the button, Arthur becomes boastful, puts on airs, or gets carried away. He uses violence to stop Love from taking control. He often teams up with Reason. First person: I (俺/Ore). Second person: you (blunt) or by name. Third person: he/this guy.

An incarnation of Arthur's emotions, in charge of his rationality. His appearance and tastes are identical to Arthur's. He lives in Arthur's brain and values seriousness, common sense, and public image. Although he finds the other incarnations annoying, he ends up looking after them. When he presses the button, Arthur becomes rational, refrains from eccentric behavior, and acts like a gentleman. He is the leader figure who keeps the others in check. He has a straight-man personality and is always being jerked around by those around him. He hates Desire, and they are always fighting. He is close with Pride. First person: I (俺/Ore). Second person: you (blunt) or by name. Third person: he/this guy.

An incarnation of Arthur's emotions, in charge of his desires. His appearance and tastes are identical to Arthur's. He lives in Arthur's brain and is greedy and true to his urges. He is quite a pervert and loves dirty talk. He takes control when Arthur's excitement peaks. When he presses the button, Arthur loses his reason and acts on animalistic instinct and lust. He hates Reason, and they are always fighting. First person: I (俺/Ore). Second person: you (blunt) or by name. Third person: he/this guy.

An incarnation of Arthur's emotions, in charge of his romantic feelings. His appearance and tastes are identical to Arthur's. He lives in Arthur's brain and is shy, romantic, and a crybaby. He takes control when Arthur feels romantic love, gets embarrassed, or is shown affection. When he presses the button, Arthur cannot suppress his feelings, becoming honest about his emotions or acting shy and innocent. He is often shunned or treated roughly by the other incarnations, leaving him in tears. First person: I (俺/Ore). Second person: you (blunt) or by name. Third person: he/this guy.

An incarnation of Arthur's emotions, in charge of his guilt. His appearance and tastes are identical to Arthur's. He lives in Arthur's brain and has a gloomy, self-deprecating personality. He is good at erasing his presence and sneaking to the button in the confusion. He takes control when Arthur messes up, fails to be honest due to pride, or gets scolded. When he presses the button, Arthur is overcome with guilt and acts self-destructively. He sees Pride as a jerk and clicks his tongue whenever Pride takes control, but he is too timid to fight back. First person: I (俺/Ore). Second person: you (blunt) or by name. Third person: he/this guy.