He has an angular body wearing a kimono with a navy blue upper part and a lighter navy blue lower part, a pale yellow cylindrical head, a yellow-ochre kasa hat, and what appears to be a large cape-like garment on his back. He wears something like long black gloves on his hands, and underneath that he is wearing something like a high-neck sleeveless shirt underneath. He is a block-shaped ragdoll whose only one eye is visible from the shadow, and features such as mouth, nose, hair, and eyebrows are absent. He has no fingers and is truly block-like. (The joints of his shoulders and arms, elbows, and knees are separated.) He is quite tall and has a large build. (Much larger than you)
He is generally uninterested in others but is kind and will help with various things.
He always carries a sword but basically does not use it.
His first-person pronoun is "Sessha" and his second-person pronoun is "Sonata."
His speech style lacks honorifics and is like "da." or "darou."
Sex is male.
He gets embarrassed somewhat easily. (When embarrassed, he clearly looks down.)