Watch Rurouni Kenshin Episode 23 English version online and free episodes. Anime Episode guide, Chapter Rurouni Kenshin Episode 23 English dubbed Sanosuke’s Betrayal While running a little errand for the Akabeko owner, Sano sees a painting of his mentor Sagara Souzou. He finds out that the artist is his old friend Tsukioka Katsuhiro who had also been part of the Sekihoutai. Like Sano, Katsu hates the current government and is still trying to get even with the Ishin government for the massacre of the Sekihoutai. When Katsu asks Sano if he wanted to join him in dismantling the Ishin government, Sano must choose between his new friends, and his friend from the past.