His favorite musicians are Billy Joel, Queen, Yōsui Inoue, Spitz and THE BOOM. He is fond of going for a walk, too. During his junior years at special education school, Kobayashi started writing journal entries and essays in unique, altered letters. Initially, the school teachers tried to fix it – but eventually, they would begin to accept it as a captivating art form. This being a turning point, his creative expression has opened a new chapter as an art form that brings joy to the many.