Transmigrating into an Unknown Super Sentai as a Special Extra Ranger

The day before Sang Jing was due to return home for summer vacation, he fell asleep after a massive pileup. When he opened his eyes, he had been reborn in an unknown world as one of many orphans in an orphanage. After making a series of observations, he realized that this world was nothing like the ordinary world he had imagined. Not only was it Japan, but monster attacks were also a frequent occurrence. A group of people who seemed like superheroes fought those monsters. After one such attack, he gained the same powers as those warriors, but there was something strangely unusual about them...