Masamune recieves a letter with the words "Pig's Foot" written on it and realizes someone knows about his past. Masamune tries to find the person who sent the letter, and it ends up being someone rather surprising.
it's only natural that you 
pay me back with your body.
...فمن الطبيعي أن تردي الثمن لي بجسدك
ahora tienes que pagarme con tu cuerpo.
ahora tienes que pagarme con tu cuerpo.
mi sembra naturale venire ripagato... in natura.
é natural que você me 
recompense com o seu corpo.
логично расплатиться за это телом.