Diary of a Scumbag Girl's Struggle to Survive

Everyone gets reincarnated as the heroine when they're dropped into another world, right?! So why am I a supporting character?! Worse still, I'm inside my own novel, one with a bad ending! --- **Contents:** 1 (prologue) + 116 + 26 (ending A) + 11 (ending B) = 154 Chapters - **Vol. 1:** Main story (ch. 0-116) - **Vol. 2:** Ending A (ch. 117A-142A) - **Vol. 3:** Ending B (ch. 117B-127B) **Note:** You can read ending B without reading ending A.