نيني، مرآة الميكانكو

If this card is not equipped with any Equip Card, you take no battle damage from battles involving it. If it is, it cannot be destroyed by battle, also your opponent takes any battle damage you would take from battles involving it instead. During your opponent's turn, while this card is equipped with an Equip Card (Quick Effect): You can target 1 face-up monster your opponent controls; take control of it until the End Phase. You can only use this effect of "Nini the Mirror Mikanko" once per turn.