To try to chase Kuune away, Mahiro and Kuuko keep acting like a couple, but Kuune still isn't convinced after seeing their awkward date, adding that she can't see the subtle lust for each other in each other's eyes. After having to see Mahiro and Kuuko act like their are engaged to each other, Nyarko finally...
when you have absolutely 
nothing else to do...
y no tienes nada más que hacer,
O cuando no tengas nada que hacer,
e não tiver mais nada mesmo para fazer,