• Book Name: Egao no Sekai Manga
• Alternative(s): World of Smile
• Genre(s): Psychological Survival Philosophical Drama School Life Horror Tragedy
• Author(s): Misaki Kairi
• Year 2023
• Status: Completed Download Manga
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Summary: Collection of horror stories by author Misaki Kairi. - **Egao no Sekai** Rikako has doubts about the smiling faces of her bullied classmates. It turns out that it is because their brains have undergone surgery to release happy substances no matter how much they\'re bullied.