The Ounabara Vocational School in Like a Dragon: Infinite Wealth administers a number of exams, and players can increase Ichiban Kasuga's personality traits by passing them. Increasing those traits provides a variety of benefits, and fans that want to maximize their party's combat prowess and unlock all the game's jobs should plan to work through at least some of the exams. This guide is here to assist with that endeavor, and answers to all the Ounabara Vocational School Certificate Exams in Like a Dragon: Infinite Wealth can be found below.