When a mysterious villain threatens to open the gates of Hell, a devilishly handsome demon hunter could be the world's best hope for salvation.

In an accident, an ordinary boy, Wang Xiaoxiu, obtains a space system called "Superpower Cube" from a high-latitude cosmic civilization and gains extraordinary powers. When the school belle, Shen Yao, Wang Xiaoxiu’s longtime crush, confesses her love to him, the delinquent Sun Jun, who also has a crush on her, is provoked. Wang Xiaoxiu resolves the crisis with his wit and extraordinary powers, but it also brings more disasters as a result. Shen Yao is taken to the world of extraordinary beings by a mysterious person, and Wang Xiaoxiu embarks on a journey to rescue her. Fighting in the bizarre universe, he finds the meaning of fairness and justice on the path to becoming a peerless powerhouse.

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...

Set in Kunitachi City, Tokyo. Reiko Houshou, a rookie detective at the Kunitachi Police Department, is also the heiress of the globally renowned "Houshou Group." She tackles challenging cases alongside Inspector Kazamatsuri, heir to the "Kazamatsuri Motors" family business, and Kageyama, her sharp-tongued butler and driver. With biting remarks like, "Are your eyes merely decorative, my lady?" Kageyama not only critiques Reiko's lack of deductive skills but also brilliantly solves the mysteries at hand. A sharp-tongued butler meets classic detective fiction in this unique mystery series.