Wrapped in the shadow of the gods, the young investigators of the four realms of the Secret Academy (flesh, deep sea, chaos, and abyss) swore to protect mankind from the erosion of the past. Death is an inevitable fate. No matter whether it is an investigator or other creatures, there is no escape. Is the investigator a human or a monster? Investigators who use spells through the silver key will face various difficulties. When new students are admitted, the new investigators will gradually grow until they die! With the power of the four realms of flesh and blood, chaos, deep sea, and abyss, we can destroy the whispers of the ancient gods, cut off the tentacles of the outer gods, and seal the domination of the past, but in the end we can only fall into the lightless bottom and the bottomless darkness... There is no way to escape fate, and you have stepped in when you want to change, and then the fun begins... The story of the investigators begins!
