I Have Multiple Personalities, and I'm a Big Shot in the Infinite Worlds

[Horror Infinite-Worlds + Multiple Personalities + No Romance + Single Male Lead] I'm Wu Dongyang, a law student. I'm a weirdo with six distinct personalities, and by a twist of fate, I ended up in an infinite world. I survived one perilous ordeal after another in these worlds, only to discover that it had all been planned from the start? How am I supposed to break out of this predicament?