Originally Posted by OneDotLow
Thats true for the long haul variant. But the short haul 787-8 has 12/252. See here for details.
All of ANAs 787 currently are 158 seats, they do not have a "domestic" configuration in service. They also stated at one stage said 300 seats on their website.
Configuration/Seatmap | ANA
Boeing 787-8 | ANA