On November 13, 2016, Ryo Koda released walk, a photo album commemorating the 20th anniversary of his debut.
"WALK" published a long-term interview about childhood, a long period of low times, and the sudden announcement of marriage, etc., which can only be said now. In addition, it also includes private photos taken by family members and reports of conversations with their sisters. On the official fan club website, "WALK" accepts reservations for a limited luxury gift box "XXKK" with "BEA FINE BOOK" and 32 quotes calendar.