"Star Ocean: Soshite Toki no Kanata e" is a manga adaptation of the "Star Ocean" video game series, specifically drawing inspiration from "Star Ocean: Till the End of Time." The narrative unfolds in a science fiction setting, blending space exploration, advanced technology, and interplanetary conflict. The protagonist, Fayt Leingod, is a young man from Earth who becomes embroiled in a galaxy-spanning war after a sudden attack on his vacation planet, Hyda IV, by an unknown alien force. Separated from his childhood friend, Sophia Esteed, Fayt is thrust into a journey across the stars, encountering diverse civilizations, ancient mysteries, and powerful adversaries.

As Fayt navigates the chaos, he discovers his latent connection to a mysterious energy known as "Symbology," which grants him extraordinary abilities. Along the way, he allies with a variety of characters, including Cliff Fittir, a rogue space pirate with a rebellious streak, and Nel Zelpher, a skilled warrior from the underdeveloped planet of Elicoor II. Together, they uncover a conspiracy involving the Pangalactic Federation, a powerful governing body, and the Vendeeni, a militant alien race. The conflict escalates as Fayt learns of the existence of the "4D beings," entities from a higher dimension who manipulate the universe for their own purposes.

The story delves into themes of free will, the nature of reality, and the consequences of technological advancement. Fayt's journey is marked by personal growth, as he grapples with his role in the unfolding events and the ethical dilemmas posed by the discovery of the 4D beings. The narrative builds toward a climactic confrontation that challenges the characters' understanding of their existence and the boundaries of their universe. The manga effectively captures the expansive scope of the source material, balancing action, intrigue, and character development within its science fiction framework.