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.
it would be with a team of four.
ich es mit einem Viererteam tun würde.
sería en un equipo de cuatro.
ce sera en équipe de quatre.
será em uma equipe de quatro.