MTL - After the Memory Loss, the Fishing Department O is Teasing Me Every Day - Chapter 19 suggest ambiguity

The male student, Fukai Nagamasa, ignores his studies for college entrance exams in favor of following the path to chuunibyou. As he fainted during night cramming session before the exams, he realized that he was transported to a parallel world as a feudal lord in the Sengoku Era. Not to mention that suddenly, he was marrying the sixth Demon King, Oda Nobunaga’s little sister, the one who was purported to be an unrivaled beauty?

In the general’s house, the eldest daughter is born again.

In the last life, she mistakenly regarded the fish as a pearl and misunderstood the wolf.

In this world, she wants to expose the stepmother’s Buddha-snake heart and tear the sister’s hypocritical face.

This life, let me see how she protects her parents, keeps younger brothers, fights stepmothers and step on stepsisters.

Who will harm/betray her, she will return back a hundred times more, conspiracy against conspiracy to eliminate all! I want to stay away from the royal family, never want to become the imperial concubine, yet unexpectedly I can’t escape from his love net!

- Description from Novelupdates

Originally born from a wealthy family, she ends up leading a vagrant life for fifteen years. However, when she is eventually found by her family, she falls into another devious plot and eventually dies tragically.

Rosemary spent 18 years thinking she was a member of the wealthy Harris family, only to discover she was a fake rich girl. When the real heiress returned, Rosemary was cast aside and sent back to her poor hometown. But fate had other plans for her, as she soon discovered that her hometown was actually the most exclusive villa area in the country. In a single night, Rosemary went from a modestly wealthy girl to the true heiress of a top-tier elite family. Her biological parents showered her with love, handing her millions of dollars in pocket money, providing access to any car from their fleet, and letting her buy anything from the world’s top designers. As for school, the best institutions were at her fingertips, and if she didn’t feel like studying, she could play with the family company.But what shocked Rosemary the most was finding out she had an ex-fiancé. She couldn’t understand why he kept clinging to her, holding her hand, and trying to kiss her. “Who are you, sir?” Rosemary asked, annoyed. “Sweetheart, I’m your husband,” the ex-fiancé responded. “I don’t have a husband, only a former fiancé”