城 Nabs a BONES（ボーンズ）-骨は語る- Squintern 

For those of あなた who were hoping for a CASTLE-BONES crossover…well, this isn’t entirely that, but it’s a teeny tiny step closer...
キーワード: 城, BONES（ボーンズ）-骨は語る-, season 4, casting news, dial m for mayor, gmmr, guest appearances