{The Knightmare} 
{???-late teen} || {???} || {Alternate Reality}

A mysterious girl often getting in the way of Yusaku and co.

Is apparentely from a different reality too, though from which exactly is unknown, and fights against Yusaku and the others to stop them from continuosly hopping between realities, as they could permanently damage the space-time continuum.
Believes that sacrifices must be made for the greater good, and the destruction of the broken reality is seen as necessary if they want to preserve the realities' balance.

(more about her actual self in the Spoiler tab)