: An updated version of the prologue was released in August 2022.
: It is known for high-quality animations, rich 3D art, and high-resolution graphics compared to standard 2D visual novels.
The story follows a sister who has waited nine years for her missing brother. The plot begins when their father finally brings him home, but the initial reunion is quickly overshadowed by a dark atmosphere. As time progresses, the player uncovers the "disturbing truth" regarding the circumstances of the brother's original disappearance. Technical and Visual Style