Takahasi Tsuki had a somber life before finding it. Before discovering it. Before understanding it. 𝘏𝘰𝘯ō 𝘯𝘰 𝘩𝘢𝘯𝘢, (flame blossom) a pair of flaming powerful knives controlled using demonic power were the discovery. But what happens when the classmates of Takahasi find out about his secret?