STEP BY STEP is the first photobook by Sato Taiki. It was released on January 25, 2020 in two editions: limited and regular. The photobook includes 176 pages, with the limited edition also including a DVD. A digital edition of the photobook was released on May 29, 2020.
- Limited (¥2,500)
- Regular (¥2,300)
- Other Stores Limited Covers
- Photobook Cuts
- The photobook was released on Sato's 25th birthday.