Amane's mother, Shihoko, arrives at the apartment without warning while Mahiru is visiting. Amane asks Mahiru to hide, but Shihoko eventually finds her, and the two neighbors frantically try to correct Shihoko's assumption that they are dating. Nonetheless, Mahiru is touched by Shihoko's motherly kindness. After Amane sees how happy Mahiru is to be called by her first name, he tries calling her "Mahiru" too. From that day on, the neighbors call each other by their first names.
Oh, yeah? Do you have something 
embarrassing in there?
حقّاً؟ هل تُخفي شيئاً مُحرِجاً هناك؟
Oho? Ist da etwa was drin,
was ich nicht sehen soll?
¿Y eso? ¿Te avergüenzas de algo?
¿Y eso? ¿Te avergüenzas de algo?
Ça alors,
aurais-tu des choses à cacher ?
Che c'è? Hai forse qualcosa
 d'imbarazzante da nascondere?
Ué... por acaso tem algo lá
que vai te envergonhar?
Почему это? Ты чего-то там стесняешься?