Kyusaku Yumeno, known as Q, is a 13 year old Port Mafia member. Having been taken in by Mori at around six years old, Q’s ability has even the toughest members of the Port Mafia terrified. Only Dazai is able to put a stop to it once it begins. For this reason, they are rarely sent on missions. But now you, Dazai’s younger sibling, are paired with them.