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.
don't snuggle so much 
at someone else's place!
!لا تتعانقا كثيراً في منزل شخص آخر
Müsst ihr bei mir daheim
so aneinander kleben?
¡No se abracen tanto en mi casa!
¡No os abracéis tanto en mi casa!
Et arrêtez de flirter chez moi.
basta fare i piccioncini a casa degli altri!
não fiquem se agarrando
na casa dos outros.
Не флиртуйте в чужой квартире!