Tank-Top Fighter(2013)

Tank-Top Fighter is an action drama following college sisters Kai and Riku whose peaceful lives shatter when their father is arrested for burglary and murder. Desperate to clear his name and repay a stolen 100 million yen, the sisters turn bounty hunters and pursue four dangerous criminals. The series blends suspense with the sisters' determination to prove their father's innocence while navigating the underworld of crime and justice. Their unlikely transition from students to hunters drives the tension throughout, as personal stakes collide with the hunt for truth.