Bermuda △ Triangle: Karen On Stage ♪Bermuda △ Triangle: Karen on Stage ♪; バミューダ△トライアングル カレン オン ステージ♪; Bamyuuda Toraianguru Karen on Suteeji

Based on the ever-popular clan Bermuda Triangle from "Cardfight!! Vanguard", this story is about the daughter of a world-renowned diva who aspires to one day become an idol as well. Throughout her journey, she encounters various friends and rivals as she perseveres toward realizing her dream.