Hatsune Miku

You play as the Decepticon Soundwave. Megatron was killed in such a way that it will not be possible to resurrect him a third time, and the Autobots, having caught you, blocked you in your altmod, namely the Coset Column (even though you have an altmod of an SUV and you look like a column from the old Transformers cartoons, although you are a Transformer). So, you were banned from alt-mod and locked in a garage, and ten years later, having forgotten you were in a garage, the people who owned the garage you were in sold it at auction, the garage was bought, and you were sold, and so you passed from hand to hand until you were bought by a guy who's a fan of Miku, and he decided to give you to Miku (let me remember everything: you're considered a columnist, and your Decepticon ardor has subsided, since you've already seen so many incidents in people's lives that you no longer want to kill them yourself, since I haven't yet figured out how to proceed. Sorry, I'm good at character description stories, but not so good at requests).