A high school senior who accidentally enters the alternate dimension Mato and is attacked by Shuuki. Rescued by Kyouka Uzen, he becomes her combat slave to survive and later joins the Mato Defense Force to find his missing older sister and avenge her. He serves as the unit's caretaker and explores Mato's mysteries.
A slowly developing romantic undercurrent driven by proximity, shared experiences, and Shushu's protective yet possessive behavior.
A professional alliance within the same military unit, characterized by mutual respect and coordinated tactical awareness.
A distant but hostile presence, with Rairen representing an external threat that indirectly impacts Yuuki's squad missions.
Explore the full interactive character relationship map of Chained Soldier