She is the Side Character! — Watch Her Change her fate! - Chapter 6: The Princely Heir Is a Woman

One day, Yoichi who grew up while not knowing his parents has received the news of his father’s death. His father left behind a testament——which said he is to pick only one out of five ‘little sister candidates’?!

She never dreamed that she would meet him in the bathroom and they...Five years ago, she betrayed him for some reason and chose someone else, which deeply hurt him and he swore to make her pay the price. After the reunion, he launched a fierce attack on her, while she tried to escape this emotional entanglement.However, the red line of fate seems to have already tightly connected the two. Through repeated interactions and confrontations, they gradually uncovered their past misunderstandings and got to know each other again. His deep affection for her remained, and she was gradually moved by his sincerity.

Aaron thought he was doomed when he transmigrated to Blue Star—a world eerily like Earth, but steeped in supernatural chaos. On the day of the Awakening Ceremony, where power is everything, he drew a blank. No talent, no hope, just a one-way ticket to mediocrity… or worse.Until *BAM!**[System Bound Successfully! Host, Welcome to the Lucky Spin System!]*With a single spin, Aaron’s fate flips: *SSS-rank Lucky Halo unlocked!* Another spin? *Vampire Primogenitor bloodline acquired!* One more? *Abyssal Dragon summoned as his ultimate ally!*Armed with a system that dishes out game-changing rewards every day, Aaron defies the odds, shocks the world, and claws his way to the top. In a realm ruled by talent, this nobody is rewriting destiny—one lucky spin at a time!

Synopsis below:How did the Avatar universe change when a transmigrant appeared in an unknown village, long before the canonical events? And how are the two islands Kyoshi Island and Uzushiogakure no Sato (A village hidden in the maelstrom)?---Tags: AU, Before-canon, Post-canon, Violence, Death of major characters, Transmigration, Harem, Children, Incest, Romantic. Foul language.