The Japanese My Little Pony Twitter feed has announced that the Nanamori Middle School Amusement Club, also known as YuruYuri voice actresses Shiori Mikami, Yuka Ōtsubo, Minami Tsuda and Rumi Ookubo, will be singing the second opening theme for the Japanese broadcast of Friendship is Magic.
The "Great Big Magical Adventure!" single will be released July 31st.
Pinkie Pie voice Suzuko Mimori sings the first opening, while HKT48 performs the ending.
The four leads from the Milky Holmes headline the dub
Suzuko Mimori (Sherlock - Pinkie Pie)
Sora Tokui (Nero - Applejack)
Mikoi Sasaki (Elly - Rarity)
Izumi Kitta (Cordelia - Rainbow Dash)
Motoko Kumai (Gon in Gon, Shaoran Li in Cardcaptor Sakura) voices Spike the Dragon while Kikuko Inoue (Ah! My Goddess' Belldandy) is Celestia.
Fan art of Suzuko Mimori with Pinkie Pie