After receiving a flyer and watching a local concert, Eripiyo became enamored with Maina Ichii, a ChamJam idol, and devoted herself to supporting the shy starlet. With her iconic red tracksuit and influential presence, Eripiyo quickly cemented her identity as Maina's most ardent fan. From attending every performance and fan gathering to persevering through Maina's aloofness and injuries, Eripiyo's devotion remained unwavering. Her ultimate aim was to witness Maina's performance at the prestigious Budoukan arena, and nothing could stop her from achieving this goal.