Cardfight! Vanguard: Painful Truths and Desires

When Kai calls Aichi Q4's weakest link he took it A LOT harder than he did in the show. Kai is acting cold hearted towards everyone why is that? Aichi runs away from everyone even going far as to dye his hair. Will Kai be able to change himself before its too late, or will Aichi be dead by the time he finds out what he did? Contains self-harm and suicidal thoughts and actions.