Nihontō

 is a weapon skill in Sword Art Online, New ALfheim Online.

Description
This skill is unlocked once the player has completed the Katana skill and the One handed Curved Blade skill, and it enables it's user to use any type of Japanese swords. This includes:
 * Chokutō (直刀; "straight sword")
 * Tachi (太刀; "big sword")
 * Kodachi (小太刀; "small big sword")
 * Ōdachi (大太刀;"big big sword")
 * Nodachi (野太刀; "big field sword")
 * Uchigatana (打刀)
 * Katana (刀; "sword")
 * Wakizashi (脇差;"companion sword")

It should be noted that this skill does not apply for Kunais, Shurikens or spears (yari).

In ALO

 * Jack
 * Yakuza