Just like Oricon always do every single year.
Oricon Book Annual Ranking for 2021 Sakamichi Series (Nogizaka46 - Sakurazaka46 - Hinatazaka46) edition has been revealed.
1. Photobook Kosaka Nao (166.876)
2. Photobook Hinatazaka46 Hinasatsu Vol.1 (152.277)
3. Photobook Saito Kyoko (135.119)
4. Photobook Tamura Hono (85.034)
6. Photobook Matsumura Sayuri (62.776)
8. Photobook Hori Miona (40.604)