Kaijin X no Yokokujou

『怪人Xの予告状』はUnknownが開発したビジュアルノベルです。発売日：TBA。プレイヤー評価：N/A/10。Nao Igarashi, a former writer turned housewife, her husband is away on business overseas. Around that time, she meets Saeko Yuuki—their neighbor an...