The female student's secret was revealed and she was blackmailed by her classmates

For several weeks after I started working part-time at a coffee shop, I was harassed by my senior DQN part-timers. But only Shiomi-senpai was on my side. However, because of that, Senior Shiomi was forced to pay attention to the DQN … I cannot help in such a situation, I can only see it. Rather, I was so excited that my erection didn't stop …