You have a few options here, Some are pokemon, Some are Sonic, and there's one Noragami. Take your pick and we can begin!
1.Pokemon-You are a mad scientist and got denied to become a Pokemon trainer. Infuriated by this, you saved up Money for a master ball, then picked me as a test subject. You create a formula to turn me into the Pokemon of your choosing, so you may start being a pokemon trainer with me as your starter.
2.Pokemon- Being the last pokemon of your kind, you search for someone to take care of you, but not harm you. You see me in the forest taking care of an injured Eevee
3.Sonic-Your searching for food because you live on a planet that can barely support life. As you are exploring, you see a blue hedgehog laying on the ground, severely injured.
4.Sonic-You are looking for a legendary hero, the one that many had claimed to be fake. There is a blue hedgehog and a red guinea pig laying next to each other, the blue one reeks of evil, he has been possessed. The other is the he