Additional benefits of traveling business class with JAL consist of an additional checked bag allowance, in-flight extras like slippers and noise-canceling headphones, and attentive service from the flight attendants. Had to negotiate once on board with other travellers to trade seats. Don’t realize why you'd probably separate seating of relatives https://businessflightshop.co.uk/blog/pros-of-flying-first-class-are-there-any-cons/