During the ruckus as the Kaginoji house, Nasa and Tsukasa pledge their love to each other at a church. After Nasa reports to Kaname that he has finally proposed, she points that he still doesn't have a ring. Although he doesn't take much notice at first, Nasa gradually becomes more self-consciousness about the role of a ring in newlywed life.
That's what rings are for!
!هذه هي وظيفة الخواتم
Deshalb braucht man Ringe!
¡Para eso se necesitan los anillos!
¡Para eso se necesitan los anillos!
Voilà pourquoi il faut une bague !
È per questo che si usano gli anelli!
É por isso que alianças são necessárias!
Так вот зачем нужны кольца.