Rin

Rin is a character in the Yu-Gi-Oh! ARC-V anime. She is the Synchro Dimension counterpart of Yuzu Hīragi (from the Standard Dimension), Ruri Kurosaki (from the Xyz Dimension), and Serena (from the Fusion Dimension). Currently, Rin is in the captivity of Reo Akaba.

Ethmology
Rin's name (りん) literally translates to "phosphorus".

Sypnosis
Rin is Yūgo's friend who was captured sometime in the past by Yūri.

During the Battle Royal of the Maiami Championship, Yūri mentioned that Yuzu greatly resembles Ruri and Rin. Yūgo later saw Yuzu and hugged her, mistaking her for Rin.