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            case ds_tuto_ani: {
				c.getSession().write(UIPacket.playMovie("DemonSlayer1.avi", true));
                break;
            }

替換：

            case ds_tuto_ani: {
                c.getSession().write(UIPacket.playMovie(c.getPlayer().getGender() == 0 ? "DemonSlayer1.avi" : "DemonSlayer2.avi", true));
                break;
            }