Kana Kobayashi is a Japanese idol who is a former member of AKB48 who was part of Team B and later Team K. She has appeared in a number of television shows, feature films and stage productions. Kobayashi is represented with Promage.

"Aitakatta" is Japanese idol group AKB48's third single, and the first major single released through DefSTAR Records, on 25 October 2006.