Unable to stand being treated by a child by Haru, Ren leaves the house. Natsuo agrees to let Ren stay over when he suddenly shows up at his apartment, but Haru shows up just as he's about to grant Ren's request to do something that he "can't tell Haru about." Haru tells  Ren to not come home ever again, but...?
What? Mom, how do you know about Ren?
Hä? Woher weißt du von Ren?
¿Cómo sabes sobre Ren?
¿Cómo sabes lo de Ren?
Eh? Come fai a sapere di Ren?
Hã? Mãe, como você sabe sobre o Ren?