Tetsuya Okuyama

The ability to manifest by committing sins, commonly known as Sin. Amidst the rampant heinous crimes caused by Sin, Ren Hizuki, a detective in the First Investigative Division of the Metropolitan Police Department, was living a life of fierce battles day and night. One day, Ren is ordered to transfer to the newly established special ability crime investigation unit, Public Safety Section 9. There, she meets a cowardly detective named Yujiro Oboro. As she heads to investigate ability-related cases with Oboro, the secrets of Section 9 and the true identity of Oboro begin to come to light.

Shoran district, Kanagawa prefecture. There was a rumor here. Ryuta of the East, Three Tigers of the West. Everyone talks about it because when they meet, they always start a big fight. "Don't let a dragon and a tiger meet". Whether by coincidence or fate, these two men with deep ties face each other again through badminton, and the strongest rivals team up for a doubles match!? Friendship Rejection!! An impossible dragon and tiger rush into badminton! The youth bud story of passionate men opens!!