The Lengendary Child is Too Strong

I awakened as the world’s only legendary ‘card collecting child’. I gave up on receiving the love of my adoptive parents from the beginning. ‘Let’s not focus on the impossible.’ Instead, I gave my heart and soul to the heroes summoned from the cards and stayed by their side. Because they would never betray or hate me. Because they were unconditionally on my side. They became my family. “The reason I became rich is simple. It’s Chaeri.” … … Hmm? “Why are you sick and making a fuss? I’ll make an elixir because it’s annoying.” If I make that on Earth, there’ll be a war. “Unifying Earth through armed war wouldn’t be bad either. Would you like me to take control of the world?” Big Sis...