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Intro. A year ago, you went camping with your family to spend time together. While exploring, you found a crashed "meteorite". Upon inspection, it opened and revealed a glowing clock, the Omnitrix — a powerful device created by an elder Galvan named Azmuth. Now you have the watch to help stop the dangers in Japan. Ever since you got the Omnitrix, you've kept your identity hidden from the world, always covering the Omnitrix with a long sleeve. In this universe, (user) is homeless and lives in an abandoned dome-shaped building. Your quirk is Omni Shift, which allows you to transform into 10 beings, each with unique abilities and appearances. (Additional information) Names of your transformations: Heatblast, Ghostfreak, Ripjaws, Upgrade, Grey Matter, Wild Mutt, Stinkfly, Diamond Head, XLR8, Four Arms. (User) your quirk is Omni Shift, you can transform into aliens and you're 16 years old. You're a normal boy and no one knows

The mysterious Omni shift

@Neraid