Momo, who is active as a pure idol, was being forced by the president of her agency to provide backroom services for the sake of the group. However, one day, her lover, Usagi Onihime, saw her smartphone and found out everything. The anger that welled up in Usagi Onihime's heart after finding out that she had been betrayed by "Momo" makes her fall "Momo", who vows to endure any torment with the sole purpose of regaining her trust, into a pet slave.
