Introduction:
Koresawa is a singer-songwriter. She does not show her face publicly outside of concerts, and is visually represented by the character "Reko" (れ子) designed by artist Uchibori Shinpe.
On October 13, 2017, Koresawa formed the Yuru-Chara Band "Korechanzu (コレちゃんズ)" alongside the mascots; Shinjokun, Sanomaru and Unarikun.
