Historias de Erimidoryia

What happens when the three biggest fans of the number 1 in Japan meet up

-~~A group of kids, plus a pro hero, stumbled upon a villain. The pro hero tried to catch him but he opened some kind of gateway of somewhere and fell in.~~- --They had no choice but to jump into the gate. The kids followed the pro hero into the portal because they wanted to have some fun. What do think will happen next. Where would the strange portal lead them? What is the villain's goal? Read to find out! By the way, this my first book and I'm not sure if this would be good or not. Please let me know in comments.--