shu_(mechanical_buddy_universe)
Titular deuteragonist of Maid Would Want to Protect Her Lady, a story set in Ishiyumi's ]]. Serves [[Cordelia herschel (mechanical buddy universe)|Milady as her personal attendant and bodyguard.
She is given the name "Shu" in the serialized manga "Mechanical Buddy Universe 1.0", which is Chinese for "mouse".