"In the year 199X... The world was NOT engulfed by the flames of nuclear war!" Bat is your ordinary college student, working several part-time jobs to get by. But all that changes once his friend, Lin, brings in a man named Kenshiro to work at his convenience store. Bat quickly grows to hate Kenshiro - but unfortunately for him, that's just the beginning of many wacky adventures... And all he can do is retort!