Setsuna Murakami (ムラカミ=刹那, Murakami Setsuna) is a Reikon Kyuuban. Most of her past is hazy, though Setsuna met Sayaka Yabunmusan as a child. The two became fast friends due to their compatible personalities and similar views. Setsuna remained oblivious to the fact that Sayaka had developed feelings towards her. After leaving Sayaka, She also forges a rocky alliance with Gai Nagareboshi, despite the two starting out as fierce rivals. Setsuna's idealism is put to the test against Gai's cynicism in the story. At the beginning of Part II, Gai's words, in addition to her insecurities due to being one of the weakest of her clan begin to get to Setsuna, and she becomes obsessed with being a "knight of justice". To uphold her own notion of justice, Setsuna becomes convinced of her own righteousnes