Kiyoshi Taira is a another character in Btooom! who teamed up with Ryouta and Himiko.
Kiyoshi Taira is a family man who is a beast at work. He takes advantage of the loopholes and did anything for his company.
He is created Junya Inoue. He first appears in volume 1: chapter 4 and episode 3.
His BIM is a homing type. He first used it against the komodo dragons when the giant lizards chased him and his group.