Reincarnated in Another World, I Want to Be Invincible from the Start!

Si transmigrates from the start as an ordinary civilian, and through hard work (and a cheat) becomes the Supreme God.

She has multiple identities across the multiverse.

Creator God, eschatology, the origin of witches, savior, ruler of Hell...

[PS: Gender-bender story, no romance, levels up in the early stages and becomes invincible in the later stages]