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.
the "Unknown X" who sent
me the Pig's Foot letter
المجهول إكس الذي أرسل لي رسالة قدم الخنزير
ist anzunehmen, dass Adagaki Aki nicht der
Unbekannte X vom Schweinehaxen-Brief ist.
Aki Adagaki no es Misterioso X.
Aki Adagaki no es Misterioso X.
c’est qu’Aki Adagaki n’est pas
le mystérieux expéditeur.
X, la persona che mi ha inviato
la "Lettera Maialotto",
a Pessoa X, remetente da
 carta com "Pé de Porco",
неизвестный, оставивший мне письмо,