Yes, the first 2 episodes were a bit like a shock. It's too new with some proven concepts with a totally fresh setup.
Many questions are open, but the plot let enough room for some serious story twists. The mysterious teams, the unusual school, and Coconut Vega's past. The cute, yet puzzling main char, and the unknown Moshu-chan. And on the other side the unexplained enemies.
And then there is ...