Two Stories About Heroes from Parallel Worlds

No matter which world they are in, Killua and Jay Fulis will meet. The first story is about a sexual transformation, a young older sister x a young boy, bg. The second story is about the little boy Tie Tie, bl. Because it is an old article, I will finish it immediately. [Note: This pit has been changed. It was originally a comprehensive comic, and only one chapter was published. Intention: It is friendship and love.