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The Bride refers to a sister of the Nakano quintuplets who will marry Fuutarou Uesugi about five years from the series' current events.
Throughout the series, Negi Haruba provide various hints regarding the bride's identity:
- The Bride is one of the Nakano Quintuplets. 
- The Bride has ear piercings in both of her ears.
- The Bride held hands with Fuutarou Uesugi during the bonfire of School Camping Trip Arc.
- The Bride is implied to have kissed Fuutarou under the bell tower at the end of Scrambled Eggs Arc.