When Itsuki and Chitose visit Amane's apartment for a Christmas party only to discover that the angel Mahiru lives next door, they instantly become very curious about the relationship. Chitose, obsessed with cuteness, insists on becoming friends with Mahiru. The day after Christmas, Amane notices that Mahiru has a fever. Despite Mahiru's stubbornness, Amane convinces her to stay and rest in his room. When Mahiru sees Amane so diligently taking care of her as if returning the favor she did for him that one memorable day, it seems to put her at ease.
"Cute" meaning someone who's 
so childish they're funny to watch.
إنّ "ظريف" تعني شخصاً طفوليّاً
من الطّريف مُشاهدته
Du meinst „süß“ im kindlichen,
putzigen Sinn, habe ich recht?
Para ti, una persona "adorable"
es tan infantil que da risa mirarla.
Para ti, una persona "adorable"
es tan infantil que da risa mirarla.
Mais tu dis ça comme à un enfant
qu’on trouve mignon.
"Adorabile" lo si dice quando qualcuno
 è così infantile da risultare divertente.
"Fofo" significa que alguém é tão infantil
que é até engraçado de olhar.
Это твоё «мило» значит 
«по-детски» и «забавно».