Answer the summons to the parallel world of "Kamitsubaki City" and meet a cast of colorful characters as you set out on a quest to save this city from the brink of destruction in this dark-fantasy sci-fi visual novel!
A housemaid takes on a terrifying murder plan in order to protect her lord, whose life is in danger! A romantic mystery that takes place at an earl's manor in 20th-century England. Depending on the selection, the story will branch into different endings.
Deep underground in an old laboratory, an animal wakes up. Invisible enemies blocking the way, complex old underground facilities, narrow ducts... Lead the helpless lone animal to escape to the ground floor.