since the anime aired now, skip to the end to hear a preview of Namida NAMIDA Namida,
http://www.youtube.com/watch?v=0UY3SkG5eDY
and since it's not mentioned here, Namida NAMIDA Namida (produced by Tsunku) will be out 10.08
1．涙 NAMIDA なみだ
作詞・曲：つんく 編曲：平田祥一郎
2．WIN
作詞・曲：つんく 編曲：鈴木Daichi秀行
3．涙 NAMIDA ナミダ（OFF VOCAL)
4．WIN（OFF VOCAL)