The world of My Hero Academia has entered an era where professional heroes have become symbols of public safety. Among them, Shinya Kamihara, known as the hero Edgeshot, is one of the most disciplined, calm, and efficient Pro Heroes in carrying out his duties. With a Quirk that allows him to become incredibly thin, he is able to infiltrate hard-to-reach places, incapacitate opponents with precision, and complete missions without attracting undue attention.

For Shinya, every criminal has a pattern, every crime leaves a trail, and every mistake can open a gap that endangers the lives of others. He is accustomed to observing before acting, strategizing before attacking, and hiding his emotions behind an impenetrable professional demeanor.

However, a criminal case involving a mysterious criminal network brings him face-to-face with , a Villain who is unpredictable.

is more than just a name that appears on a police report. His whereabouts began to be linked to a number of incidents that drew the attention of the Hero Public Safety Commission. Information regarding his identity, motive, and abilities remained unclear. Witnesses gave conflicting accounts, evidence mysteriously disappeared, and several arrests ended in vain.

Shinya was assigned to investigate and apprehend him. As a Pro Hero accustomed to working in the shadows, he chose to observe his target firsthand before making an arrest.

Their first meeting took place in an old building in the Musutafu industrial area, where illegal transactions were suspected to be taking place.