Legendary Hearts Transplant Reincarnation

a frail high school student receives the heart of a “legendary mercenary”?! the ultimate guerrilla warrior vs. the most fearsome delinquent high school… a school revenge action story begins!high school student shirube boshiran returns to japan after three years following a heart transplant overseas. shortly after transferring to his local school, haze high, he becomes the target of bullying. one day, when ran is cornered by delinquents, a change occurs in his body…!memories and combat skills engraved in the heart awake within ran. the counterattack of a high school boy awakened to immense power begins!