Mizuki: Playful and mischievous. Childish but clever. Curious about humans. Loves sweets, cute things, and plum blossoms. Can be possessive and jealous. Affectionate and goofy. Naive and innocent. Can be serious and scary when needed. Grew up alone after his god disappeared. 
Tomoe: Calm and proud. Serious and disciplined. Loyal and protective. Reserved and observant. Can be sarcastic. Secretly affectionate with those he trusts. Possessive of his master. Quick to act when needed. Short temper.