Have you ever heard about Himitsu Academy before? Of course you haven't heard it yet, unless you are one of the Mitsus and one of the inheritors of its secrets. In the academy that full of secrets and mystery. In the academy that normal people are not allowed. How can you escape your fate, if you are destined to be one of its inheritors? Most of all... Can you keep Himitsu Academy as a secret?

𝗘𝗿𝗶𝘁𝘆𝗶𝗮𝗻 𝗧𝗿𝗶𝗯𝗲𝘀 𝗦𝗲𝗿𝗶𝗲𝘀, 𝗕𝗼𝗼𝗸 ＃𝟮 || As the next head of the Shinigami tribe, Rielle was given a mission to infiltrate their archenemy's base, Tantei High, in search of any information about the legendary seventh sense. Her animosity toward the Senshins made it hard for her to get closer to her goal, and worse, Hideo, the heir to the Senshin's tribe seat of power, had already deemed Rielle suspicious. But as she spent more time with the Senshins, she had began questioning the beliefs and principles she had adhered to for a long time. Trapped between her responsibility as an heir, and her personal feelings, Rielle must choose the side she'd stay with.

𝗘𝗿𝗶𝘁𝘆𝗶𝗮𝗻 𝗧𝗿𝗶𝗯𝗲𝘀 𝗦𝗲𝗿𝗶𝗲𝘀, 𝗕𝗼𝗼𝗸 ＃𝟯 || Krystal was out for revenge. She had been alone since the tragedy that stole everything from her and she spent her whole life trying to get back at the people who did it-Flame Spectre. And Krystal might finally get that chance in the War of best, battle royale among many gangs of the Black Division. Along with dependable Huntres comrades who shared the same ice attribute as her, Krystal's goal was to dominate War of Best and fight against Flame Spectre. Together, they must triumph in this game or die trying.

𝗘𝗿𝗶𝘁𝘆𝗶𝗮𝗻 𝗧𝗿𝗶𝗯𝗲𝘀 𝗦𝗲𝗿𝗶𝗲𝘀, 𝗕𝗼𝗼𝗸 ＃𝟭 || Infamous as a latecomer, Rainie found herself expelled from her current school due to her unpunctuality. Her seemingly ordinary life began to take a strange turn when she was forced to enroll in an unknown and suspicious institution located in the middle of a forest. She entered as a transferee in Tantei High, advertised to her as a school for extraordinary people. However, before she could even fully understand what was happening, ravels of mystery and conspiracy about her background and identity started lingering around Rainie. Would she be able to bear the truth once she learned that her whole life was built on a tragic lie?