On this episode, Tooru and Julie trains together for a competition. Later, they begin their fight.
Wait a minute, I started to recognize Tooru's voice to be just like Kirito's from Sword Art Online. So after some searching, it was actually Yoshitsugu MATSUOKA (松岡 禎丞) who is the voice actor of Kirito and other anime I've seen. Anyway, the action was pretty cool. Also they surprisingly revealed something about the homeroom teacher. Overall, cool action more details about the homeroom teacher.
Conclusion: Cool action more details about the homeroom teacher.