Por un escritor de hombre misterioso
For the type of sword, see Katana. KATANA is a song performed by Roronoa Zoro for the One Piece Nippon Judan! 47 Cruise CD. Like the other songs in the album, it references a location in Japan, this location being the Fukushima Prefecture.
Sword, One Piece Wiki
Karakuri Sword, One Piece Wiki
Four Sword Style, One Piece Wiki
One Piece Swords and Its Grades (A Complete Guide)
Roronoa Zoro, One Piece Wiki, Fandom
Katana - Wikipedia
HI-Reeke Sword Building Block Set One Piece Anime Sandai Kitetsu Katana Building Kit for Adult Red
Shimotsuki Ryuma, One Piece Wiki
Katana - Wikipedia
Japanese sword mountings - Wikipedia
Nidai Kitetsu, One Piece Wiki
Kikoku, One Piece Role-Play Wiki
Uzuki Tempura, One Piece Wiki
Roronoa Zoro/Abilities and Powers, One Piece Wiki