A man called Executioner Kohei is brought under strict guard to the Shinsengumi. He is the executive officer of the Radical Joi Faction, the Akatsuki Party, and is also a lethal murderer who has killed 35 bakufu officials. According to Kondo, Kohei not only endures torture, but laughs with joy during it. The Shinsengumi’s mission is to get Kohei to tell them details about the large-scale terrorist attack the Akatsuki Party is supposedly planning. First off is Yamazaki, who goes to the investigation room to take a stab at it! Will he be able to get Kohei to talk?!
is basically where someone who's
always beating you from behind
es la de un tipo malo que te 
golpea por detrás con un látigo
é basicamente uma pessoa que está 
sempre te batendo pelas costas