Demon Slayer Character Poster Collection Set of 4. Tanjiro: Water Breathing, Sunset Transformation Shinobu Kocho Gyomei Himejima Regarding Tanjiro's Sunset Transformation, I bought it from a used shop and there's a circle marked on the outer box to indicate the contents. I haven't opened it to check, so I don't know the condition of the contents. No individual sales. Instant purchase OK.