After that, Michinobu waged guerrilla warfare in the Takanawa Peninsula, and after defeating Seijaku of Bingo Province who was intruding into the area, he defeated Masanao TAGUCHI of Awa Province at the Hishi-jo Castle in Kita County, Iyo Province (located in present-day Ozu City), and gained the initiative.
その後通信は高縄半島でゲリラ戦を展開し、進入していた備後国の西寂を倒し、阿波国の田口成直を伊予国喜多郡比志城（大洲市）で撃破して主導権を握った。