In order to make her dream come true, Narumi devotes all of her youth to underground idols, cutting back on her living expenses without dating. However, the harsh reality corners the girl. She got fired from her part-time job because she was too enthusiastic about her live performances, and she couldn't even pay the rent next month. The high-priced part-time job she found on her recruitment site was an SM sex shop. If she's a mania shop, she won't find out even if she's a fan.
