Ren decides to challenge the Colosseum after being inspired by the epic battles between monsters. 
But Aoi's a stickler and wants to do things right before joning the fray.
how monsters are appearing
outside the Colosseum.
dass Monster außerhalb des Colosseum
auftauchen.
que los monstruos estén apareciendo
afuera del Coliseo.
que los monstruos aparezcan
fuera del Coliseo.
como monstros têm aparecido
fora do Coliseu.