Sosaku Yubiwa

Sosaku Yubiwa (指輪 創作, Yubiwa Sōsaku) is a year 1, class A student at Yubiwa Academy Middle School and a member of the Pretty Boy Detective Club. He is the de-facto president of the Yubiwa Foundation and considered an artistic genius and business prodigy. Also known as "Sosaku the Artist" (nicknamed Child Genius by Mayumi), he is the artist of the club and holds both financial and artistic talents.