Actually, he was in the middle of the battle (incidentally, Masanori FUKUSHIMA, who was in a military reconnaissance group, didn't have much participation in the Battle of Bunroku-no-eki War, and stayed in Japan during the Keicho-no-eki War).
しかし、実際には激戦の真っ直中にいたのである（余談だが、武功派とされた福島正則は、文禄の役でも殆ど戦いには参加せず、慶長の役では日本国内にいた）。