• Book Name: Grimace Manga
• Genre(s): Thriller Survival Sexual Violence Horror Web Comic
• Author(s): Katsumata Hiroki
• Year 2023
• Status: Ongoing Download Manga
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Summary: Through a friend, the Shirotani family are introduced to an apartment to move in to. Their joy is short-lived as they learn about a strange rule the apartment building has. The rule is, \"Whenever you\'re in front of the owner you must always wear a smile.\" If they break this rule... Escape is impossible! The curtains rise on a apartment building survival horror.