Helloooo!! Sooo this is an original denki kaminari x reader book. For information read the info+your character chapter but I guess I can explain a bit here. Your adopted by the Jiro family so Kyoka Jiro is your sister. While you got through recommendation exam, your sister still needed to get through the entrance exam. When it's finally that day she drags you with her where you didn't expect to meet someone very special.... Read the book to find out more. ;)❤