According to the official twitter of Tower Records, Sunrise
's original TV anime titled "Natsuiro Kiseki" was announced to be aired in 2012. Seiyu group sphere
will play the main roles.
sphere will sing the OP theme song of Shinryaku!? Ika Musume
titled "High Powered".
Source: Tower Anime
Update Nov 18th
Director: Mizushima Seiji
Series Composition: Urahata Tatsuhiko
Original Character Design: Hidari ("Usotsuki Mii-kun to Kowareta Maa-chan
Anime Character Design: Tanaka Yuichi
Source: Natsuiro Kiseki TV Anime official website