The bullying is yet to cease, and so, Yuuka comes home crying one day, to be comforted by Ginka. The family express their concerns, especially after it appears Teika and Hyouka are ready for some seriously violent retaliation. The next day Yuuka is confronted by a teenage girl - her biological sister Senko, who has come to take her younger sister back. The truth regarding Yuuka's previous family is revealed...