Saya and the others are heading to the Red World, Terra Rubiri Aurora, to check on the Ouroboros, but Elel's best friend, Ramiel, is waiting for them. Ramiel asks Elel if they're really friends.
If you put your hand on one of 
the walls and keep following it,
Wenn man seine Hand auf einer
Wandseite anlegt und ihr folgt,
Si on avance en gardant la main
sur le mur de droite,