Kiyohisa, who took this seriously, went to Teraike-jo Castle where his father resided, but the uprising of the Kasai clan and the Osaki clan broke out in the meantime.
事を大事と見た清久は対策を練るため父の居城寺池城へ赴くが、その間に葛西大崎一揆が勃発してしまう。