Naoya Ogawa
Season 2 uses two opening themes and two ending themes. by GaGaGa SP is used as the opening from episode 52 to 78. by Group Tamashi is used as the opening from episode 79 to 103. by Naoya Ogawa &amp; Mayuko Iwasa is used as the ending from episode 52 to 78. by is used as the ending from episode 79 to 103.