Kiji Brother is the heroic alter ego of Tsuyoshi Kijino in Avataro Sentai Donbrothers. He is one of the five core Donbrothers, fighting the Hitotsuki and supporting the team with his earnest, often awkward personality. In everyday life, Tsuyoshi works as an office employee and struggles with jealousy, insecurity, and his complicated feelings about love and acceptance. As Kiji Brother, he becomes part of the central team dynamic, contributing to both the action and the series’ comedic, dramatic, and emotionally tense moments.