Arisa joins Seven Arts as a new idol but is immediately cast to perform at the Underground Idol Obscene Sports Festival. Ibuki, knowing nothing about the true stakes, puts her body on the line to protect her junior Arisa but ends up getting beaten and humiliated in various obscene events. Koharu, a member of the same idol unit, mocks Ibuki’s humiliation while she is fucked by Kurozuka… and in the end, Ibuki finally discovers the shocking truth about Arisa, the girl she tried so hard to protect. The three stolen idols descend into depravity, looking utterly blissful as they fall under Kurotsuka’s complete control