The Eisen's Bijinga fitted in with the sense of the timesin that they made the existing sense of beauty reversed and found the beauty in it, which was called 'Egumi' (bitter and astringent tastes).
それは"えぐみ"と言われる、既存の美意識を逆転させたところに美を見出す点で、時代の感覚と符合した。