Tetsu is a very short boy with red hair.He caused a great commotion when he wanted to join the army at the Shinsengumi place.Tatsu was pleading him to stop and not to join the army and while they were arguing Souji a great well known soldier from the Shinsengumi was playing with his pet Saizou.Saizou was a pig and he was fetching a stick the one that Souji threw and while doing that he knocked Tetsu over and which Tetsu felled into the river. Souji treated the brothers to tea and Souji guess that there was something wrong and also gussed it had to do with the Shinsengumi.Souji said he has friend who can help get him join the army and that was Kondou-san.Kondou said he can but he needed to try out and so Tetsu went and duel Souji.He fought with everything he could but Souji easily knocked him down but Tetsu got back up and use two Katanas against Souji and almost sliced Souji.Souji started to get serious and went for the kill and Tetsu flew out of the room(i think i forget :P) but then (thetvdb.com)