Battle Royale

For the novel, please go to Ryuhei Sasagawa (Novel). For the film, please go to Ryuhei Sasagawa (Film).

Ryuhei Sasagawa (笹川 竜平, Sasagawa Ryūhei) is a minor character in Battle Royale.


He is in a gang with Kazuo Kiriyama, Hiroshi Kuronaga, Mitsuru Numai, and Sho Tsukioka. Besides his gang, he wasn't close to anyone else and most likely his classmates didn't care for his bullying ways. He would regularly bully Yoshio Akamatsu and hated the sound of Yoshio's video games.

In the Program

Kazuo Kiriyama tells Ryuhei, along with the other gang members, to meet him at the Southern tip of the island when they are released from the school. Ryuhei follows the instruction, only to be shot by Kiriyama on his arrival.

In the English language manga, the same thing happens, although at one point Ryuhei and Hiroshi got together and found Izumi Kanai and took her hostage. When they arrived at the location they wanted to start things off by raping Izumi but left the choice up to Kazuo who flipped a coin to decide rather to take part with them or play the game. The coin ended up on tails, which meant Kazuo was going to play the game and he killed all three of them.


  • The name Ryuhei means "dragon" (竜) (Ryū) and "peace, flat" (平) (hei)
  • Ryuhei's surname Sasagawa means "bamboo grass" (笹) (sasa) and "river, stream" (川) (gawa)