On 4 April 2011, it was announced that the theme song of the Fuji Television television drama Marumo no Okite will be sung by actress Mana Ashida and Fuku Suzuki, both of whom are also starring in the television drama. They formed a temporary group called Kaoru to Tomoki, Tamani Mook, and the song that they will be singing is entitled Maru Maru Mori Mori!
