Kayon

 (カヨン) is a founding member of Shounen Himitsu Club under the name Natsu (ナツ).

She is also a former guitarist and vocalist of THE COINLOCKERS and a freelance multi-talent. She graduated from the band on December 23, 2019.

B-Sides

 * Sakura Nanka Kiraida (Yuuutsu na Sora ga Suki Nanda)