Soredemo Sekai wa Utsukushii Temporada 1 Episódio 4

In the Sun Kingdom, it is customary that a marriage in the royal family must earn the approval of the Ministry of the Priesthood. The Ministry rejects Nike, however, and demands that she perform the potentially fatal Rite of Illumination. Livi is worried for Nikes safety, but Nike decides to perform the rite to see herself accepted.