Toda allegedly attacked the victim many times, first on the platform of the station, then fled inside a train car and chased him before repeatedly slashed his head.
According to reports, different people apprehended Toda, who was later detained by police on the spot.
According to local media, Toda and the target are never alleged to have known one another, with one other passenger allegedly cutting the victim’s hand as well.
In Japan, which has one of the toughest gun laws in the world and a lower murder rate, violent murder is fairly uncommon.
However, there are occasionally shootings and stabbing sprees, including the death of Shinzo Abe in 2022.
On Halloween in Tokyo, a 24-year-old person stabbed a customer and started a fire on a train while sporting an clothing that resembles the Joker from comic book characters.