"Promise to tell me if someone is hurting you " Izuku felt his heart flutter and his resolve was close to breaking. He had never expected someone to care like this. But he needed to stay strong. He couldn't tell him. Not now. Maybe never. "I promise" was his answer, his heart aching at the lie. or Vigilante Izuku meets sidekick Katsuki at the gym and it is love at first sight. But he has to keep his secret identity hidden, while he tries to infiltrate one of the worst gangs the city has ever seen. ** smut