Reincarnated as the villain in a omega novel that my sister created

Max was a straight guy who likes to hang out with friends and party. he dating from left to right because he's the star quarterback of the school but has a mousy little sister Amy who loves anime and Yaoi manga. After reading one of her favorite yaoi manga, she decided to write a novel about the lead protagonist crown prince Henry who was 10 years old when his way home from a neighboring country but assassins were by his fourth brother Louis which chase him to a Cliffside. Not know what to do Henry but jump. Fortunately, there was a lake below the depth. A farmer who lives near the town took Henry home and is healed but he loses his memory. The farmer decided to adopt prince Henry as his son. The female lead is Sammy an omega who lives with his grandpa near the town studying to be a healer and the villain who bullies Sammy was luke also an omega who was spoiled from a young age and lives to bully the weak but fear the strong. but Luke die after the 5th chapter when one of Sammy's capture target saw Luke ordering his servant to destroy Sammy's clinic. When Amy told her brother about the story she made. He discouraged her from her weird hobbies and said he was disgusted to have a sister like her. Terrified Amy run to her room crying away her feeling. Max feels bad, he reacted that way because his friends are gossiping about how lame his sister is and that she's a lesbian. Walking up the stairs, Max was going to apologize but his feet tripped on something sending him through down.
When Max woke up, everything change. he was inside the story his sister told him about.
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Will Max be Okay in a yaoi novel?
much less as the villain Luke.😂