这座城镇，绝非寻常之地。
有欢笑（噗嗤嗤！） 有心跳（怦怦♡） 有泪光（扑簌扑簌......）
居民们编织出无法预料的"平凡"日常！
欢迎来到心跳连发的奇妙CITY！

Following the conclusion of the greatest father-son fight on earth, Baki and other legendary fighters are overcome with unbearable boredom. Meanwhile, 364 meters beneath Tokyo Skytree, a secret plan is set into motion that seeks to revive the master swordsman Miyamoto Musashi... Unleashed in the present day, this menacing new threat wields his swordsmanship with unparalleled power and speed to attack Baki and the others.