I became the Counterpart of the Winner in a Period Novel - Chapter 80 - 77: Coincidence

[Ding!][Acquired the Dragon Queen's Legacy][Acquired the Elf Queen's Legacy][You have awakened the Strongest System]“It's real...! Isekai is real!”******Drax is a laid-back, calm and collected highschool student who accidentally loses his life on Earth and, in turn, has his soul is summoned into the body of a baby in another world, one where mana and magic abound.Blessed with a Dragon Legacy, an Elven Legacy and the love of two mummies, Drax decides to enjoy this second life being free and lively freely, not conforming himself to any world system.“The only way to be the freest person is to also be the strongest person,” Queen Freya said to him.And so begins Drax's journey to become the strongest and freest!

After a young lonely orphan boy died on earth, He was reborn as the Prince of the Everhart Kingdom in Melux. And in this life, he got everything he ever longed for: Luxuries that he didn't have, magic that he only read and fantasized about, different types of sweets that he didn't even know about but most importantly, he finally had a family!He was pleased with his new life as he had parents who despite being the King and Queen of a Kingdom always managed to spend time with him and His maid who would do anything at his words. He could experience the joy of sharing a dinner with family, getting angry over silly things, and then apologizing while bawling his eyes out. He finally felt like he was not alone in this universe anymore and he also had people who cared and loved him dearly. His second life was seemingly perfect in his eyes until that horrifying and gut-wrenching night that flipped his entire world......

Liu Duo was a young girl whose grandmother sold her to four brothers with the intent to be a bride. Unwilling, she ran away the following night, only to fall unconscious while trying to get away. Unexpectedly, however, she was reborn with the spirit of a 25 year old woman, also named Liu Duo.

- Description from Novelupdates

“Finally, the owner has appeared. You read me.”The Archmage’s legacy, the Book of Truth.Binair Dalheim, a dropout of the Elfenbein Tower, accidentally discovers the Book of Truth.“I will awaken your magical talent. In return, complete me.”The dropout boy, whose dormant talent has been awakened, begins his journey to retrieve the Book of Truth as requested.