After helping Yosshi arrange a date, the Sket-dan run into Shinzou arguing with his younger brother. Unlike the proper samurai, his younger brother is rebellious and they don't seem to get along... The two's relationship reminds Switch of his own brother and the events of the past...
Apparently, my little brother suddenly 
seized upon mine bamboo sword
Al parecer mi hermano pequeño 
se armó con mi espada de bambú
Al parecer mi hermano pequeño 
se armó con mi espada de bambú
Parece que, de repente, meu irmão
apanhou minha espada de bambu