SERIZAWA raped the female owner of the dyer who prepared the Shinsen-gumi's banner of loyalty (the owner was so ashamed that she killed herself), also slashed the master craftsman who was innocent, then scuffled with the craftsmen who were apprentices under the master (modified version of the scuffle with sumo wrestlers in Osaka), furthermore, raped Oume who was the sister of the master (Oume became insane), and continued other vicious deeds; he was eventually slashed as a punishment by HIJIKATA, OKITA and others.
土方から依頼されて新撰組の誠の旗をつくった染物屋の女主人を手ごめにし（女主人は恥じて自殺してしまう）、さらに罪のない職人の親方を斬り捨て、その弟子の職人たちと乱闘（大坂力士乱闘事件の改変）、あげくに親方の妹のお梅をまたも手ごめにする（お梅は発狂）など悪行をくりかえし、最後は土方と沖田たちに成敗される。