HaNaYaMaTa Season 1 Episode 8 Mission Event ( Air Date 2014-08-26 ) Genre Animation, Comedy category. Overview "Yaya officially joins the Yosakoi Club, making for four members. They make progress on their preparations for the department store event, but they forget to bring their CD. Sally-sensei says she'll "ask her sister", who, as it turns out, is student council president Machi. The four approach their first performance, but...".