His Little Amber

It's been five years since Genji picked up the helpless leopard cub on a snowy winter night. And although it's only natural for kids to grow up as time goes by, it is almost supernatural how handsome Koshiro has become. It's been five years since being rescued by Genji, and Koshiro starts to... feel things. Is this maybe something regular people learn in school? Perhaps Genji can help... (Source: Futekiya) *Note: Includes four extra chapters.*