Katou stabbed Souma (Ch. 9 pg. 78, pg. 82) But why did he? (/TДT)/
for revenge because Youyo was Katou's son and Katou thinks it was Souma's fault that he died.
Katou stabbed Souma (Ch. 9 pg. 78, pg. 82) But why did he? (/TДT)/