Mayumi Minamoto is a fanon OC which is known as the first Album-tan, referencing by the look of Metallica's Master of Puppets.

She can be arrogant sometimes, but people around her are happy.

She is the character who is known as the first animal to be a cat, and she is helpful for her appearance herself.

The things that happened when she thinks about her real world, she can be a little hurt by people gossiping her to being normal than being a cat.
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