_Tales of Wedding Rings_ (_Kekkon Yubiwa Monogatari_) is an animated series falling into the Isekai genre. The story centers on Haruto Satou, a male protagonist who encounters Krystal Novaty “Hime” Nokanatika, a princess from another world and his childhood friend. Haruto was present when Hime and her "grandfather," a high-court mage, appeared in a forest through a bright light. Hime asked him to keep their arriva…