The Odd Jobs encounter a strange sword at Tetsuko's smithy, and it grows attached (quite literally) to Gintoki's behind!
It has to be Senbe the Manslayer.
.لا بدّ أنّ الفاعل هو السّفّاح سينبي
Es obra de Senbee, el asesino.
Só pode ser Senbe, o Matador.