A Challenge Unlike Any Other

On the day of Tenka's 15th birthday, a stranger comes to visit. Giving her two things before sending her a nightmare of trials and immediately runs into reanimated corpses. After fleeing she finds herself allied with a young girl named Nenriki (Aya Drevis) and so her trial begins...
This is a multicrossover of: Mad Father, Witch's House, Ib, Misao, Corpse Party, Deep Sleep, Paranoiac, Mermaid Swamp, and The Crooked Man.
Disclaimer: I do not own any of these games, they all belong to their respective owners.
Names are changed in this version, but I will go back and change it to the original characters in the game.