Original sentence: "I Don't Know" is Nakashima Mika's 26th single.It is a collaboration with owarai group Morisanchū (森三中) and was released under the name MICA 3 CHU (Mikasanchuu), and her first single in English.It would be used as an insert song for the TBS drama "Ryusei no Kizuna", which will also feature a role by Mika herself.Mika's most recent single, "Orion", was released on November 12, 2008
Edited sentence: "I Don't Know", Mika's 26th single, was a collaboration with owarai group Morisanchū (森三中) and was released under the name MICA 3 CHU (Mikasanchuu).It would be used as an insert song for the TBS drama "Ryusei no Kizuna", in which Mika herself appeared in a minor role.Mika's next single, "Orion", was released on November 12, 2008