|Hair||Short, Spiky Bangs, Straight, Violet|
|Clothes||Apron, Loafers, Maid's Dress, Maid's Headdress, Ribbon Tie|
|Engages in (Sexual)||Not Sexually Involved|
|Visual novels||Main character - Melty Blood|
|Voiced by||Matsuki Miyu|
Mech-Hisui is a heavily armed robot created by Kohaku in the image and likeness of Hisui. It has become possible only after TATARI's intervention, though.