|This article is about a/an character in Kamen Rider Kuuga.|
|Season:||Kamen Rider Kuuga|
|Number of Episode|
The daughter of Prof. Natsume, one of Daguva's victims, she was greatly depressed when her father's murder was being overlooked for the Gurongi attacks, taking the findings her father had at their house. But after Yuusuke reasoned with her, Mika decides to aid in the Gurongi matter as Jean's assistant. However, she is unable to follow and decides to take up playing the flute her father gave her. But while attending the 12th Arikawa Group Flute Competition, a hostage situation by a disgruntled government worker traumatizes Mika as Yuusuke tells her to not to run from her fear and continue. Three months later, Mika is attending a special college.