Our Circumstances at the Bottom of the Hierarchy

Ichika is a high school girl who works as the lead of an underground girl band, but one day she's suddenly forced out of this role.
At the same time, Nirai, a high school boy who has spent 377 800 yen on a VTuber idol is driven to despair over being treated as a mere pay object.
With this terrible history, at their very bottom, what will happen when those two meet?