Shidou Itsuka faces greater peril than ever due to his continued involvement with Ratatoskr. He has already sealed 10 Spirits, and Isaac Westcott, leader of Deus Ex Machina Industries, has finally decided to kill Shidou and plunder the Spirits' powers for himself. To achieve his goal, Isaac declares an all-out war against Ratatoskr, forcing the organization to exhaust its resources to ensure Shidou's survival. Despite being severely outnumbered and outmatched, a glimmer of hope exists in the form of the Spirit of Time, Kurumi Tokisaki. Shidou must seal and acquire Kurumi's power to travel to the past and confront the Spirit of Origin—the catalyst that started it all.

It is Universal Century 0087, and the One Year War between the Earth Federation and Principality of Zeon is over. The Earth Federation has created an elite task force, known as the Titans, who are responsible for hunting the remaining Zeon forces. However, the power-hungry Titans have shown themselves to be no better than Zeon, spurring the creation of a rebellious faction called the Anti-Earth Union Group (AEUG). 17-year-old Kamille Bidan lives in the colony Green Noa, home to a Titan base. Kamille gets in trouble after assaulting a Titan officer, an event that coincides with an attack led by former Zeon ace Char Aznable, now known as AEUG pilot Quattro Bajeena. When Kamille steals a Titan's prototype Gundam, he soon finds himself in the middle of the dangerous conflict.

This is a world where heroes are created by people's trust, and the hero who has received the most trust is known as X. In this world, people's trust can be calculated by data, and these values will be reflected on everyone's wrist. As long as enough trust points are obtained, ordinary people can also have superpowers and become superheroes that save the world. However, the ever-changing trust value makes the hero's path full of unknowns... (Source: Bilibili, translated)

While saving a child from harm, otaku Asahi Ikusaba is transported to another world and believes he has reincarnated with cheat skills similar to those of the characters from his favorite games and novels. Unfortunately, reality strikes when an encounter with a powerful monster shows that he is still nothing more than an average person. In this moment of extreme danger, Asahi instinctively calls out to his overly doting sister, Maya, who appears out of nowhere, possessing the overpowered abilities he thought he had. Maya is ecstatic to see her brother again and resolves to use her newfound powers to protect Asahi no matter what. Together, the close-knit siblings attempt to find a way back home while enjoying their new lives. However, it soon becomes clear that their arrival in this world may have had a purpose. With the Demon King's overwhelmingly powerful army approaching, no one but Maya seems to be able to stand in its way.