Why Am I a Multiversal Anomaly Cleaner?: COTE [DROPPED]

Before all of this happened i was having a nice life, i had a simple routine, at morning i was a common cashier and at noon a fellow WEEB! But suddenly in a supposedly normal morning, i waked up in a Space-looking room that had no logic.

After that, your normal common sense can go away, since a beautiful woman that called herself a goddess just came to my face and said stuff that any weeb would love to dream about. Except that this is real and i'm a blackmailed employee for eternity.

"What's my job?" You might ask? Easy, just throw myself in a anime or manga universe and save them from a anomaly that doesn't exist in the original script.

The problem that makes this bad: I won't know what's wrong, plus i need to be sure that i myself will not be considered an anomaly. "Why?" Because i will be a side-character in the show script, and i can't cross the line.

And my first anomaly hunt is at COTE, but hey at least i won't need to worry about me getting to fight magical people with crazy op powers!

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I don't need to say this but me the author don't own either the shows that appears on the fanfic nor the cover image.
(This is my first novel and english based history i will ever write so please be gentle with the critics)