Tension rises as Gentarou and the students take the astronaut's mock exam in hopes to get the special scholarship. With burning passion and hardwork, Gentarou and Yuuki also passed the exam together with Erinne, a transfer student from the US. Rivalry builds between Yuuki and Erinne during this course. Kengo suddenly fell dizzy and ill, which led him dropping out. But out of nowhere Aquarius appears, and heals Kengo.