Power Rangers Quantum Guardians: Worlds Apart

Synopsis
Lance Jamison is a freshman at J. C. Dayton High School who aims to become a popular kid. When he realizes he is late for his first day of school, he goes to school unorganized!

However, there’s a nice turn of events when he meets Destiny and Temporus, who had fallen from a portal from an alternate dimension.* But suddenly, the Criasu Corporation appears in hopes of stealing Destiny's Gendai Crystal, so they create a scary monster to attack them!

With the strong desire to protect Destiny, a new Rangewatch appears and transforms Lance into the Red Ranger. The Temporal Crystals are a crystallized form of the legacy and powers of Power Rangers and Power Riders, and every Rangewatch, Ridewatch, Mirangewatch and Miridewatch is powered by oneundefined.

The story of the Quantum Guardians who should protect important things is about to begin!

Prime Dimension Team

 * ​ - A freshman who transferred to J. C. Dayton High, Lance is slim for his age. Despite being clumsy, he is always up for a challenge. Thanks to his strong desire of protecting Destiny, Lance becomes the Red Ranger.
 * ​ - A charming and mature guy from Lance's class who loves fashion. Zach is good at everything; furthermore, he used to be a figure skater. However, he stopped skating when he failed to complete a jump thus looking down on the sport until he met Lance. When his thoughts of completing the jump help him overcome the weakness, he becomes the Blue Ranger.
 * ​ - The class president of Lance’s class who is as kind as an angel toward anyone. Her mother is an actor and Joyce herself was a famous child actor however now she doesn't know what to do in the future. Owing to her desire to protect the Red and Blue Rangers and to become a stronger person, Joyce becomes the Pink Ranger.
 * - A classmate of Lance's who has looked up to the Power Rangers ever since she first saw them, and aspires to be a hero like them. She even created her own alter ego to help out others. However, she seems to be a bit overprotective and can overdo things, especially while helping. She then befriends Niall back when he was still with Criasu and her guitar playing plays a substantial part in Niall developing emotions. Soon after, when Niall receives intensive repairs, the two decide they want to be Power Rangers together. After Niall miraculously receives a Quantum Guardian Morpher, the two morph and Piper becomes the Yellow Ranger.
 * ​ - A former part-timer in the Futura City branch office of the Criasu Corporation under just his first name, he is an android who soon developed a human heart when gathering information on the Rangers. He becomes close friends with Piper after he receives intensive repairs and his emotions develop fully. After watching the Quantum Guardian Rangers a lot, he and Piper decide they want to become ones too. After he miraculously receives a Quantum Guardian Morpher himself, the two of them morph and Niall becomes the Green Ranger.
 * ​ - An old friend of Joyce's who is still active as figure skater until episode 20. In episode 15, Tristan was scouted by Criasu to join their staff. Then in episode 20, he falls into despair and is swayed by Criasu, but becomes encouraged by the Rangers, gets his Requiem Morpher and his Quantum Guardians Gold Rangewatch and becomes the Gold Ranger.
 * - A mysterious girl who fell from a portal from the Fourth World of PRa Quantum Guardians, along with her guardian, Temporus (the prophet of time), while being chased by the Criasu Corporation. The world overflows with the powers of both the Morphin' Grid and the Henshin Grid to create many alternate futures. However, Hugtan seems sensitive to it, even weak if the power is decreased. Her favourite things are milk and the Rangers, and eventually she becomes the White Ranger.

Trivia

 * In this plot swap, the Rangers retain their main series colors, which are not the same colors as their PreCure counterparts. H18, the creator of the series, revealed that he did this to preserve the classic Red Ranger leadership.