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.
Throw me out into the icy cold?! 
How heartless of you!
!ستطردني إلى البرد القارس؟! يا لك من عديم الرّحمة
Du willst mich in der Kälte vor die Tür werfen?!
Du herzloses Monster!
¡¿Vas a echarme con el frío
que hace?! ¡Desalmado!
¡¿Vas a echarme con el frío
que hace?! ¡No tienes corazón!
Par un temps pareil ?
Tu n’as pas de cœur !
Mi butteresti fuori al freddo
 e al gelo?! Che crudeltà!
Vai me jogar naquele frio?!
Que insensível da sua parte!
Ты выгоняешь нас на холод?
Жестокосердный!