The Yakuza: Like a Dragon Stat Boost Set includes six consumable stat boost packs.
The Personality Enhancement Pack provides books that enhance Ichiban's personality: Between Thrill and Passion x3 (Passion) Think and Grow Confident x3 (Confidence) The Poor Zoo x3 (Kindness) You, Unleashed x3 (Charisma) Special Theory of Relative Brutality x3 (Intellect) Street Dandy x3 (Style)
The Main Job Assistance Pack raises the job ranks for each character's main job: Versatility Manual x1 (Freelancer) Bravery Manual x1 (Hero) Wanderer Manual x1 (Homeless Guy) Justice Manual x1 (Detective) Assassin Manual x1 (Hitman) Underworld Manual x1 (Gangster) Food Service Manual x1 (Barmaid) Bureaucracy Manual x1 (Clerk)