Union Duel School
The Union Duel School (ユニオンデュエルスクール Yuniondyuerusukūru), also referred to as Union School (ユニオン塾 Yunion Juku) is a school in Paradise City. Its advertisement can be seen throughout the city. During the Arc League Championship, students from this school can be seen participating in the competition.
- Yu-Gi-Oh! ARC-V episode 27: "Challengers Assemble"