By Dr Stone Mangaka "Boichi"
Note: This manga is totally unrelated to Dr.Stone , just added it because its from same mangaka.
Alternate Name(s): Sun Ken Rock
Ken, a young Japanese guy, is in love with a young Korean girl, Yumin. He followed her in Korea and wants to become a policeman just like her. But then, he finds himself at the head of a local gang. What will happen to Ken?