Golgo 13

Golgo 13 summary:

For four decades, Golgo 13 has been the world's greatest assassin for hire - sometimes to settle a private score, and sometimes to change history! His real name and nationality are unknown - but his legend is everywhere. G13 never fails a job, and never sees his clients again... ...unless they try to betray him! In 1976 Golgo 13 won the 21st Shogakukan Manga Award for general manga.