Man arrested for murdering teenage boy held grudge after victim took sister out

KOBE -- A 22-year-old man arrested for murdering a teenage boy told police that he was angry at the victim for taking his sister out.

Tomoki Matsuda, 22, an unemployed man from Kobe's Suma Ward, stands accused of murder and attempted murder after he assaulted Keisuke Kamatani, 19, and another boy on a road in the ward on Oct. 29.

Kamatani, a former vocational school student from the city's Tarumi Ward, later died, while the other victim, Ryo Sakakibara, a 19-year-old vocational school student from Akashi, Hyogo Prefecture, is in a coma. They were found in a pool of blood inside a passenger car parked on a road in Suma Ward.

"I was upset that Kamatani and some other guys took my sister out at night," Matsuda was quoted as telling investigators. Matsuda's sister, a 20-year-old woman, was with Kamatani at the time of the incident.

According to Hyogo Prefectural Police's Suma Police Station, Matsuda and several others allegedly beat Kamatani and Sakakibara in the head and face on a road in Suma Ward between around 3 a.m. and 5 a.m. on Oct. 29. Kamatani later died, while Sakakibara sustained a fractured skull.

A group of boys including Kamatani had reportedly been having a night out with Matsuda's sister at a karaoke bar and other places on the night of Oct. 28.

Matsuda turned himself in to police accompanied by his mother on the night of Oct. 29.