悲しみなんて何の役にも立たないと思っていた。 by MAKIHARA NORIYUKI (槇原 敬之) has sold 100,000 copies in Japan.
悲しみなんて何の役にも立たないと思っていた。 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
|  Japan | 100,000 | 1x Gold | November 2007 |  Japan Sales: 100,000 Certification / note: 1x Gold Certification Date / sales as of: November 2007 | 
| Total sales | 100,000 | (in 1 country) | Total Sales: 100,000 (in 1 country) | 

