According to Mainichi News, Minamino Shingo, the music producer of Nitro+, was killed by a random slasher in Osaka. A 36 year old jobless man was arrested for killing Minamino and a woman. The killer deposed to the police that he was just released from the prison last month and was not acquainted with the victims. Minamino was attacked on the way to a live concert of Nitro+’s music label. The killer stabbed Minamino 20 - 30 times in the middle of the busy street in Osaka and attacked an elderly woman riding a bicycle nearby. He returned to Minamino, who fell on the street, and stabbed Minamino again straddling him.

Minamino's twitter account

Minamino is the representative of Nitro+’s music label Georide, which Ito Kanako and Nitro+’s character Super Sonico belong to.

Sources: Mainichi, Sankei, TV Asahi, Georide official website (inaccessible at the moment)