This story is about a boy named Ryonuske pretending to be a weak student but secretly a great killer of the village and keeping it a secret from everyone. He had been killing people when someone underestimate or disturb him since he was 7 years old. The reason why he's a killer is because he abandoned by his parents after he turned 5 years old. After that, someone raised him by a stranger who taught him to become a great killer. After some years Ryonuske turns 12 years old and he becomes a student at an unknown name school. Then there was a girl named Mina secretly has a crush on Ryonuske even though he is secretly a killer. More years came along, their story still goes on.
6 parts