三年之约后，萧炎终于在迦南学院见到了薰儿，此后他广交挚友并成立磐门；为继续提升实力以三上云岚宗为父复仇，他以身犯险深入天焚炼气塔吞噬陨落心炎……
故事发生在小嗝嗝与没牙仔分开的五年之后，博克岛一年一度的亲衣节又到了，然而随着小嗝嗝的孩子们的长大，对龙与人曾经那段真挚而深刻的友谊只能通过父母的言语来了解，不免产生了质疑，小嗝嗝为防止孩子们对龙的误解，又能想出怎样的妙招呢？
《白箱》剧中剧动画OVA
The series follows the ups and downs of third-generation restaurateur BOB (H. Jon Benjamin), who runs Bob's Burgers with the help of his wife and their three kids. Bob and his unpredictable family have big ideas about burgers, but they fall short on service and sophistication. Despite their restaurant's greasy counters, lousy location and dearth of customers, Bob and his family are determined to make every "Grand Re-Re-Re-opening" a success.
