Mano Erina made an announcement at Hello! Project?Festival 2011�that she will be releasing a new double A-side single titled "Tasogare Kousaten/Doki Doki Baby" on February 22nd 2012.

One of the title tracks "Tasogare Kousaten" will be used as the theme song for anime adaptation of "Kimi no Iru Machi" which is a popular manga currently being serialized on Weekly Shonen Magazine (Kodansha), and Mano will also take on voice acting for the first time in the anime.

It was revealed that there will be a music video for both title tracks, and they will be posted on Mano Erina's official TouTube channel during December.

Source & Image: Mano Erina official site

Thanks to utauhoshii for the tip!