Ōtomo Sōrin
In Japan, Ōtomo Sōrin seems to have been the first recipient of the guns, possibly as early as 1551. In 1561 the Portuguese, allied with Otomo in the Siege of Moji, bombarded rival Japanese position, possibly with swivel guns. In the Battle of Takajō in 1587, Ōtomo Sōrin used two swivel guns obtained from the Portuguese. The guns were nicknamed .