I was aiming to compete in the world championships in competitive swimming when I was suddenly fired from my company... I must have been fired because I witnessed the swimming team coach (Matsumoto) and my ex-girlfriend from college (Otoru) having sex in the team room... The coach, who has a wife and child, fired me because he was afraid that my physical relationship with Otoru would be discovered. Having lost my purpose in life and fallen to the bottom, I researched Otoru's lifestyle and broke into his company housing with my bad friends. To vent all the resentment that had been building up inside me and get complete revenge!