Smiley is a Manga/Manhwa/Manhua in (English/Raw) language, THRILLER
series, english chapters have been translated and you can read them here. You are reading chapters on https://mangabtt.com fastest updating comic site. The Summary is
Tomoji Kamome is a freelance writer who lost his beloved daughter in an accident. In despair, his wife leaves him, and he spends his days like a shell of a man. One day, however, a flyer from a strange religious group, the "Heart Laughing Society," changes his fate. It shows the image of his wife, whom he has lost touch with... This is a story of faith and madness. What is the black darkness of the cult that an evil smile invites? A chilling “new religion” suspense begins!