Aoba, who lives a pretty ordinary life, works at the junk shop "Mediocrity." The manager asks him to make a delivery one day, but he finds out that there's nothing at the address he was supposed to deliver it to. It was then that Aoba was consumed by light and he was within a mysterious world.
You've heard of us, right? 
Bug Bomb from Ribstiez.
الريبستيز اسم يطلق على كل العصابات
Du hast von uns gehört, oder?
Die Bug Bomb von Ribstiez.
¿Nos conoces? Bug Bomb de Ribstiez.
¿Nos conoces? Bug Bomb de Ribstiez.
Tu dois connaître ?
Já ouviu falar, né? 
Bug Bomb de Ribstiez.