TONIKAWA: Over the Moon for You Temporada 1 Episódio 5

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 doesnt have a ring. Although he doesnt take much notice at first, Nasa gradually becomes more self-consciousness about the role of a ring in newlywed life.