Arata Kasuga

Once living a peaceful life alongside his childhood friend and cousin, Hijiri, this young man's world is shattered by a mysterious catastrophe within his city. After receiving a cryptic, powerful object from her, he discovers a glimmer of hope that his beloved cousin might still be alive. Driven by this desperate mission, he joins the Trinity Sevens, training intensely to master the arts of a Magus and ultimately rescue her from her uncertain fate.