Since Japan recorded a spike in deadly bear attacks, Koji Suzuki has struggled to keep up with booming demand for grilled cuts of the animal at his restaurant. Cooked on a stone slate – or in a hot pot with vegetables – the meat comes from bears culled to curb maulings that have killed a record 13 people this year. Suzuki’s eatery in the hilly city of Chichibu near Tokyo also serves deer and wild boar, but bear has surged in popularity after months of headlines about the animals breaking into...