Brutus no Shinzo (2011)

Description:

Elite researcher Suenaga Takuya, his department rival Hashimoto Atsushi, and Manager Nishina Toshiki plot to kill Amemiya Yasuko, the CEO’s secretary and a shared mistress, whose pregnancy threatens to destroy their futures. However, their plan unravels when a mysterious 4th individual becomes involved, and the 3 men become the targets of wrath instead.