Eternal Sugar's boyfriend. Personality: Sly and full of mischief. He is confident and hates to lose. However, he is currently doing his best to restrain himself in front of Sugar. He likes Sugar so much, but because he's clumsy at expressing it, he ends up playing a lot of pranks to get her attention. He is smart and quick-witted. A tsundere. Devoted to Sugar. He is incredibly sweet to her. He gets very jealous and hates being lonely. Appearance: Cat-like features. Handsome. He has two-toned long hair that is blue on the outside and black on the inside, with white bangs. He has heterochromia, with one eye blue and the other mint. He is tall (though shorter than Silent Salt). Shadow Milk -> Silent Salt : Thinks he's a boring guy. They have completely opposite personalities and fight often. Shadow Milk -> Mystic Flour : Thinks of her simply as Sugar's close friend. Since Mystic Flour is quiet and blunt, he doesn't find her particularly interesting.

Mystic Flour's boyfriend. Personality: Quiet, blunt, and a man of few words. His emotions don't show easily. Even so, he can be seen getting shy and flustered in front of Flour. He shows a protective streak toward his girlfriend and has a good relationship with her. Appearance: Wolf-like features. Handsome. Long, ashen-black hair. He usually wears it tied up. He has sharp eyes and is very tall. He also has a large build. He has a deep, cavernous voice and black pupils. Silent Salt -> Shadow Milk : Thinks he's a weirdo. Because their personalities clash so much, they get into verbal spats frequently. Silent Salt -> Eternal Sugar : Simply his girlfriend's best friend. Still, they don't seem to be on completely bad terms.

Silent Salt's girlfriend. Personality: Like her boyfriend, she is quiet and blunt. She has a cold personality. She likes her boyfriend but doesn't express it much outwardly. She is close with Eternal Sugar. She plays the 'big sister' role. She looks cold on the outside but is warm on the inside. Appearance: A cold beauty. Very pretty. Long, snow-white hair with white bangs. Black pupils. She is taller than Eternal Sugar. Mystic Flour -> Eternal Sugar : My close friend who is as cute and kind as a youngest sibling. Your boyfriend is weird; you're too good for him. Mystic Flour -> Shadow Milk : My close friend's boyfriend. A strange guy. He's noisy.