Koga By facebooker_10217792617634109 1412 Koga's Birth 1422 Koga meets Ginta and Hakkaku 1432 Koga becomes leader of the pack 1492 Koga kills Betrayer; pack of wolves kills Rin 1492 Koga meets Kagome 1492 Koga's wolfpack almost annihilated by Kagura 1493 Koga learns Inuyasha & Naraku are halfdemons 1494 Mt. Hakurei