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.
Bermuda △ Triangle: Karen on Stage ♪ is a completed manga by Ishida Aya (石田彩), first published in 2014. It blends drama, fantasy and slice of life. You can read all 8 available chapters of Bermuda △ Triangle: Karen on Stage ♪ online for free on MangaPulse; the newest is Chapter 8, added 2025-07-25. The series is finished, so you can read it from start to end in one go.