It is said that this was because he was at odds with Haruyoshi, the oldest senior apprentice, or because he had secretly learned the Kano school's brushwork, but the truth isn't known.
理由は、最古参の兄弟子である春好との不仲とも、春章に隠れて狩野派の画法を学んだからともいわれるが、真相は不明である。