Kai

Kai (可イ), is a young boy who lives alongside Ibuki and Mashiro at the Orphanage.

Plot
He hates Ibuki for killing Mashiro, but he later realizes with that matter. When the Kouran Army back to invade the orphanage, he sacrificed his life to the Red Dragon. Before dying, he admits to being jealous of Ibuki and Mashiro's relationship but is still happy that Ibuki still holds him precious even after he said horrible things to him for killing Mashiro.