Kouga was born out of union of practicality. His parents had no feelings for each other. They had simply been chosen to pass on their desirable traits to their offspring who would end up being the nine tails Jinchuriki. He grew up in a cold sterile environment with little in the way of parental attention. Instead he was trained every day to hone his body and his abilities for the day when he would become a living weapon. At the age of seven Kurama was sealed into Kouga's body. That was the day the village started looking at him differently. They were afraid of him now. The few friends he used to have now avoided him.
With nothing else to focus on Kouga doubled down on his training. Around the age of 11 he was assigned to a Jounin to continue his training. Their first meeting was a grueling one. The Jounin named Mira pushed Kouga to his limts, and when he collapsed she was prepared to let him stop, but as soon as his muscles would listen he pushed himself back up and started training again. They trained together for a year before he was allowed to accompany Mira on a mission. He was just to observe and learn but he was caught out of position and Mira was severely injured trying to protect him. The enemy was far more powerful than was initially suspected. Kouga saw his teacher bleeding and badly wounded and something inside him snapped. The nine tails chakra flooded his body and transformed him. He tore apart the bounty in a rage and before slowly coming to his senses and reverting back to his normal form. After Mira had healed she encouraged Kouga to come up with some kind of technique to help round out his skills and prevent an accident like that from happening ever again.
Soon after he was formally promoted to Gennin, and put on a squad with Mira and two other gennin. They trained together for 6 months. Now it is nearly time for the Chunnin exam.
Hard working, determined, trains religiously, Genuine, Boisterous, Practical