Shinji Mimura (三村信史 Mimura Shinji) is a protagonist in the novel Battle Royale, and film and manga adaptations. In the English-language manga he is nicknamed Mim.

Mimura has O-type blood.

Shinji is one of the students sent to the Island, and hatches a plan to escape from the Battle Royale Program and the Island it is held on. His supplied weapon is a Beretta M92F Pistol. He is played by Takashi Tsukamoto in the film version.

Koushun Takami, author of the novel and co-author of the manga version of Battle Royale (with Masayuki Taguchi), said that the manga version emphasizes Mimura's "proud, cocky demeanor."

Source: Wikipedia