Mayuko  is  outgoing  and  is  most  at  home  in  the  company  of  others.  She  falls  into  casual  relationships   easily,  possibly  due  to  her  fear  of  being  alone.  She  avoids  anything  resembling  hard  work  and  has  entered  the  tournament  to  avoid  having  to  find  a  real  job.
