Zhang Yu traveled to the Pokémon world as a baby and was picked up and taken home by Karuna at the beginning. Nancy: "Xiaoyu, you are the first one to defeat me with super powers, you have to be responsible for me." Sirona: "Little Yu brother, you are still so cute." Serena: "Brother Yu, I will always be with you." Yuto Sundae: "Brother Yu, I will definitely snatch you from my sister." Diancie: "Xiaoyu, I... I... I can do it too." Mew: "Meow~Meow~" (Xiaoyu is mine) Karuna: "Go away! Xiaoyu was obviously raised by me." The heroines are: Sirona, Kona, Nancy, Serena