Hase is spending the night at the yokai apartment.  He learns more about the people of the apartment, and about the differences between humans and yokai.
It's what you said before,
قلتَ سابقاً
Du meintest ja schon mal,
Antes dijiste
Antes dijiste que los misterios
siempre nos han acompañado.
Ça me rappelle votre phrase
sur le monde qui grouille de mystères.
In effetti me l'aveva già detto...
Que nem você disse,
Ты рассказывал об этом раньше: