When it comes to idol group ChamJam, Eripiyo is the oldest — and perhaps only — fan of Maina Ichii. Despite Eripiyo's enthusiastic support, Maina is the least popular member of the group, but that doesn't deter Eripiyo, even though she spends so much of her money that she only has a single outfit of her own. But her love for Maina doesn't waver, even though she knows she might never be noticed for it!

When it comes to idol group Cham Jam, Eripiyo is the oldest — and perhaps only — fan of Maina Ichii. Despite Eripiyo's enthusiastic support, Maina is the least popular member of the group, but that doesn't deter Eripiyo, even though she spends so much of her money that she only has a single outfit of her own. But her love for Maina doesn't waver, even if she knows she might never be noticed for it!

Forthright and impetuous Eripiyo is the number one stan for Maina, a sidelined member of the underground idol group Cham Jam, spending a fortune on CDs, merch, and fan meetings to support her fave. As fan events come and go, Eripiyo remains steadfast in catching a glimpse of Maina at every opportunity — and despite her shy personality, Maina's adoration and gratitude for Eripiyo's support is beginning to bridge the awkward gap between them as idol and fan.

When a lucky break brings an influx of new fans to Cham Jam, the lines begin to blur between Cham Jam's indie status and what it takes for them to break into the national spotlight as the group travels to Tokyo! But newfound popularity brings with it its own set of insecurities and complications. To support an idol group from the very start and see them flourish should be every fan's dream, right? And yet, there's a bittersweet feeling that comes with becoming just one among a multitude of fans...

Despite her shy personality, Maina is finally plucking up the courage to express her heartfelt gratitude and affection for Eripiyo's support — but will Eripiyo fumble the moment, like she has so many times before?

Still, things finally seem to be looking up for Cham Jam as they briefly debut on television and prepare for an upcoming idol festival, their biggest show yet! But the clear gap in their popularity compared to other idol groups brings out complicated feelings among the members of Cham Jam, and their newfound determination to give their best performance is tempered by insecurity and worries about the future. After all their years of hard work and indie idol efforts, their dreams of performing at the Budokan still seem so far away...

When it comes to idol group Cham Jam, Eripiyo is the oldest — and perhaps only — fan of Maina Ichii. Despite Eripiyo's enthusiastic support, Maina is the least popular member of the group, but that doesn't deter Eripiyo, even though she spends so much of her money that she only has a single outfit of her own. But her love for Maina doesn't waver, even if she knows she might never be noticed for it!